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1331720 — RETAINER,GUN COMPONENT

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

1331720: RETAINER,GUN COMPONENT.

The RETAINER,GUN COMPONENT is a the manufacturer industrial component. Key specifications include alignment_type: RIGID, special_features: NHA IS CLUTCH SHAFT, end_item_identification: 3830-01-538-1421, WINCH ATTACHMENT, SINGLE DRUM, MODEL PA80, part_name_assigned_by_controlling_agency: BEARING CUP. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-240-8458, 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
1331720
NSN: 4720-01-240-8458
FSC: 4720 — Hose and Flexible Tubing
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
alignment_typeRIGID
special_featuresNHA IS CLUTCH SHAFT
end_item_identification3830-01-538-1421, WINCH ATTACHMENT, SINGLE DRUM, MODEL PA80
part_name_assigned_by_controlling_agencyBEARING CUP
NSN4720-01-240-8458
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 1331720 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 2
PUROSIL 70Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
4171-0.75IDSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1331720?
1331720 is a RETAINER,GUN COMPONENT.
What parts can replace 1331720?
There are 2 known substitutes for 1331720: PUROSIL 70, 4171-0.75ID. Substitute compatibility should be verified for your specific system.
What is the NSN for 1331720?
1331720 is cataloged in the U.S. Government catalog under NSN 4720-01-240-8458. 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.