NSN 5331-01-066-2488 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-066-2488. Manufacturer of record part number: 50277.
The O-Ring, cataloged under National Stock Number 5331-01-066-2488, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Paccar Winch Inc Dba Paccar Winch Division. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5331-01-066-2488
Primary Part Number
50277
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Paccar Winch Inc Dba Paccar Winch Division
Status
ACTIVE
Cross-Sectional Height
0.090 INCHES NOMINAL IN
Material
RUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-01-067-6973N50277POSSIBLE MATCH
BUSHING,SLEEVE
Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc
5325-01-103-965150277POSSIBLE MATCH
RING,RETAINING
Possible match (shared part number)Crown Coachworks Inc Div Crown Coachworks Auto Body & Paint
C/1Advisory reference — outside the item-of-supply concept
Zf Industrieantriebe Witten Gmbh
Related Parts
3120-01-067-6973POSSIBLE MATCH
BUSHING,SLEEVE
N50277
5325-01-103-9651POSSIBLE MATCH
RING,RETAINING
50277
Frequently Asked Questions
What is NSN 5331-01-066-2488?
NSN 5331-01-066-2488 is a O-Ring, manufactured by Paccar Winch Inc Dba Paccar Winch Division, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-066-2488?
NSN 5331-01-066-2488 has 2 manufacturer part numbers on file: 50277 (Paccar Winch Inc Dba Paccar Winch Division), S6492 (Cnh Industrial America Llc Dba Cnh America).
What NSN replaces 5331-01-066-2488?
2 possible matches (shared part number, not a government interchangeability claim): 3120-01-067-6973, 5325-01-103-9651. Verify interchangeability with system specifications before substitution.
What are the specifications of 50277?
Key specifications for 50277: Cross-Sectional Height: 0.090 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 2 specifications are documented in the U.S. Government catalog.
Is NSN 5331-01-066-2488 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.