The O-Ring, cataloged under National Stock Number 5331-00-716-6781, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
5331-00-716-6781
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Status
ACTIVE
Cross-Sectional Height
0.125 INCHES NOMINAL IN
Material
RUBBER
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5998-00-719-7228SM-C-500663POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6150-01-070-33869791POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
Possible match (shared part number)L3 Technologies, Inc. Div Communication Systems-West
5360-01-102-3051979-1POSSIBLE MATCH
SPRING,FLAT
Possible match (shared part number)Q V S Inc
5360-01-287-72979791POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
Possible match (shared part number)Titan Distribution Inc Dba Titan Tire
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
9791
5/9Secondary reference
Tech-Syn
9791
3/2Design control — primary reference
U.S. Government activity
1-255-5716
5/9Secondary reference
Precision Associates Inc
9791
C/1Advisory reference — outside the item-of-supply concept
Zf Industrieantriebe Witten Gmbh
Related Parts
5998-00-719-7228POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
SM-C-500663
6150-01-070-3386POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
9791
5360-01-102-3051POSSIBLE MATCH
SPRING,FLAT
979-1
5360-01-287-7297POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
9791
Frequently Asked Questions
What is NSN 5331-00-716-6781?
NSN 5331-00-716-6781 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
What NSN replaces 5331-00-716-6781?
4 possible matches (shared part number, not a government interchangeability claim): 5998-00-719-7228, 6150-01-070-3386, 5360-01-102-3051. Verify interchangeability with system specifications before substitution.
What are the specifications of 5331-00-716-6781?
Key specifications for 5331-00-716-6781: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Material: RUBBER. 2 specifications are documented in the U.S. Government catalog.
Is NSN 5331-00-716-6781 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.