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58431 — PIN,EXPANSION,RELIEF VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

58431: PIN,EXPANSION,RELIEF VALVE.

The PIN,EXPANSION,RELIEF VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: TRAILER,MUNITIONS A/M32K-10, P/N 3847AS100-1, part_name_assigned_by_controlling_agency: BRAKE LEAVER. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-178-2660, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
58431
NSN: 4820-01-178-2660
NIINs: 011782660, 016264072
FSC: 4820 — Valves, Nonpowered
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
end_item_identificationTRAILER,MUNITIONS A/M32K-10, P/N 3847AS100-1
part_name_assigned_by_controlling_agencyBRAKE LEAVER
NSN4820-01-178-2660
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 58431 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL PER MIL-S-862 OR QQ-S-763; 0.260 IN. LG; 0.363 IN. DIA; 10-32 PARTIAL EXTRACTION INTERNAL THREADS; USEDTO RETAIN LEEPRI VALVE CARTRIDGE IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL PER MIL-S-862 OR QQ-S-763; 0.260 IN. LG; 0.363 IN. DIA; 10-32 PARTIAL EXTRACTION INTERNAL THREADS; USEDTO RETAIN LEEPRI VALVE CARTRIDGE IN
SUBSTITUTES & CROSS-REFERENCES 1
PRRA4060003ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 58431?
58431 is a PIN,EXPANSION,RELIEF VALVE.
What parts can replace 58431?
There is 1 known substitute for 58431: PRRA4060003A. Substitute compatibility should be verified for your specific system.
What is the NSN for 58431?
58431 is cataloged in the U.S. Government catalog under NSN 4820-01-178-2660. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.