NSN 5330-01-121-8546, 5330011218546
PACKING ASSEMBLY

Federal Supply Classification: FSC 5330 - Packing and Gasket Materials
National Item Identification Number: NIIN 011218546
Codification Country: United States
Item Name Code: INC 07961
Criticality: (Y) This item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 5330-01-121-8546

National Stock Number (NSN) 5330-01-121-8546, or NIIN 011218546, (packing assembly) was assigned November 10, 1981 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 08, 2017, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 07961. [ANY COMBINATION OF ITEMS MANUFACTURED FROM PACKING MATERIAL TO PREDETERMINED DIMENSIONS, OR ANY COMBINATION OF NONMETALLIC MOLDED OR FORMED SHAPES (OTHER THAN SOLID RUBBER OR SYNTHETIC RUBBER RINGS HAVING A SQUARE OR RECTANGULAR CROSS SECTION) SPECIFICALLY DESIGNED AND MANUFACTURED FOR USE AS A SEAL. THE ASSEMBLY MAY INCLUDE METAL LANTERN RINGS, METAL SEPARATORS, AND/OR END OR ADAPTER RINGS.]. This item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5330011218546 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

CROSS-SECTIONAL SHAPE STYLE: (AAGR) SQUARE/RECTANGULAR TOP RING
CRITICALITY CODE JUSTIFICATION: (CRTL) ZZZY
CROSS-SECTIONAL SHAPE STYLE: (AAGR) UNABLE TO DECODE
HEIGHT: (HGTH) 0.940 INCHES NOMINAL
INSIDE DIAMETER: (AARX) 0.750 INCHES NOMINAL
INTERMEDIATE RING QUANTITY: (ADTH) 3
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) UNABLE TO DECODE
NONDEFINITIVE SPEC/STD DATA: (ZZZT) 2 TYPE
OUTSIDE DIAMETER: (ABHE) 1.125 INCHES NOMINAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: (ZZZY) AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION
SPECIAL TEST FEATURES: (SPCL) SPECIAL QUALITY CONTROL TESTING
TEST DATA DOCUMENT: (TEST) 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
CROSS-SECTIONAL SHAPE STYLE: (AAGR) SQUARE/RECTANGULAR INTERMEDIATE RING
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) HH-P-34 TY 2 FED SPEC SINGLE MATERIAL RESPONSE BOTH SIDES
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) HH-P-34 TY 2 FED SPEC SINGLE MATERIAL RESPONSE INTERMEDIATE RING
CROSS-SECTIONAL SHAPE STYLE: (AAGR) SQUARE/RECTANGULAR BOTTOM RING
MATERIAL: (MATT) ASBESTOS CHRYSOTILE AND GRAPHITE AND COPPER ALLOY BOTTOM RING
MATERIAL: (MATT) ASBESTOS CHRYSOTILE AND GRAPHITE AND COPPER ALLOY INTERMEDIATE RING
MATERIAL: (MATT) ASBESTOS CHRYSOTILE AND GRAPHITE AND COPPER ALLOY TOP RING