NSN 1630-00-859-3997, 1630008593997
VALVE,POWER BRAKE

Federal Supply Classification: FSC 1630 - Aircraft Wheel and Brake Systems
National Item Identification Number: NIIN 008593997
Codification Country: United States
Item Name Code: INC 77777
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: We have 2 qualified suppliers

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DLMS^® Summary

National Stock Number 1630-00-859-3997

National Stock Number (NSN) 1630-00-859-3997, or NIIN 008593997, (valve,power brake) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

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

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 22, 1998, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The cost to the Government to breakout this part and acquire it competitively has been determined to exceed the projected savings over the life span of the part. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 77777. 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 1630008593997 does not contain precious metals.

This NSN is associated to Schedule B 8803200060: undercarriages and parts thereof, for use in military aircraft. The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.

This information was last updated on Apr 01, 2025.

Technical Characteristics

END ITEM IDENTIFICATION: (AGAV) C-130 AIRCRAFT; THIS VALVE IS NOT A REPLACEMENT NOR ARE NSN'S A REPLACEMENT (1630007385387, 1630007689921, 1630000737555) ALL HAVE DIFF PRESSURE RATINGS AND WOULD HAVE TO BE CHANGED IN PAIRS
CRITICALITY CODE JUSTIFICATION: (CRTL) FEAT
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) ALUMINUM ALLOY BODY,11.16 IN. LG,5.13 IN. W,2.5 IN. H,3000 PSI INPUT PRESSURE,0-2000 PSI OUTPUT PRESSURE,DUAL UNIT
SPECIAL FEATURES: (FEAT) THIS ITEM IS CRITICAL TO APPLICATION (C130 LANDING GEAR COMPONET) AND IS ESSENTIAL TO WEAPON SYSTEM PERFORMANCE AND OPERATION. PER 417 SCMS LANDING GEAR LEAD ENGINEERING, ITEM IS REQUIRED TO HAVE CRITICALITY COD OF Y