NSN 5331-00-003-6731 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-003-6731. Manufacturer of record part number: 625959.
Also searched as5331-00-003-6731 ·
5331000036731 ·
NIIN 000036731 ·
00-003-6731 ·
FSC 5331 O-ring · CAGE 77445 · 625959
Cross-Sectional Height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
Center Hole Diameter: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
Material: RUBBER FLUOROSILICONE CLASS FQ
3 manufacturer part numbers on file
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 5331-00-003-6731
NIIN: 000036731
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 625959
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The O-Ring, cataloged under National Stock Number 5331-00-003-6731, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5331-00-003-6731
Primary Part Number
625959
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
No interchangeability data on file.
Other items in FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-004-5340
O-RING
5331-00-005-8194
O-RING
5331-00-005-8194
O-RING
5331-00-005-8194
O-RING
5331-00-211-9496
O-RING
5331-00-444-7918
O-RING
5331-00-454-0478
O-RING
5331-00-465-2633
O-RING
Frequently Asked Questions
What is NSN 5331-00-003-6731?
NSN 5331-00-003-6731 is a O-Ring, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-00-003-6731?
NSN 5331-00-003-6731 has 3 manufacturer part numbers on file: 625959 (Lord Corporation Dba Lord Corp), 625959 (Jonal Laboratories Inc), 625959 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 625959?
Key specifications for 625959: Cross-Sectional Height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Center Hole Diameter: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN; Material: RUBBER FLUOROSILICONE CLASS FQ. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5331-00-003-6731 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.