NSN 5331-00-414-2676 · NIIN 004142676 · Part number MS9966-08
Sae International Dba Sae International · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 0U583
Government record, cited
NSN 5331-00-414-2676 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-414-2676. Manufacturer of record part number: MS9966-08.
Temp Rating: -67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
Outside Diameter: 0.818 INCHES NOMINAL IN
Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
Center Hole Diameter: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
Material: RUBBER FLUOROSILICONE CLASS FQ
1 manufacturer part number on file
Identification
NSN: 5331-00-414-2676
NIIN: 004142676
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: MS9966-08
Manufacturer: Sae International Dba Sae International
General Description
The O-Ring, cataloged under National Stock Number 5331-00-414-2676, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
5331-00-414-2676
Primary Part Number
MS9966-08
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Sae International Dba Sae International
Status
ACTIVE
Temp Rating
-67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
Cross-Sectional Height
0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
Outside Diameter
0.818 INCHES NOMINAL IN
Hardness Rating
75.0 SHORE DUROMETER A NOMINAL
Center Hole Diameter
0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
Material
RUBBER FLUOROSILICONE CLASS FQ
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 Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5331-00-414-2807MS9966-10POSSIBLE MATCH
O-RING
Possible match (shared part number)Sae International Dba Sae International
5331-00-414-28096687109-12POSSIBLE MATCH
O-RING
Possible match (shared part number)Rolls-Royce Corporation
5331-00-414-2810MS9966-05POSSIBLE MATCH
O-RING
Possible match (shared part number)Sae International Dba Sae International
5331-00-425-20216871091-06POSSIBLE MATCH
O-RING
Possible match (shared part number)Rolls-Royce Corporation
5331-00-582-2571MS9966-24POSSIBLE MATCH
O-RING
Possible match (shared part number)Sae International Dba Sae International
5331-01-011-1761MS9966-02POSSIBLE MATCH
O-RING
Possible match (shared part number)Sae International Dba Sae International
5331-01-022-81316871091-16POSSIBLE MATCH
O-RING
Possible match (shared part number)Allison Transmission Inc Dba Allison Transmission, Inc
5331-01-080-9232MS9966-07POSSIBLE MATCH
O-RING
Possible match (shared part number)Sae International Dba Sae International
5331-01-215-5393MS9966-14POSSIBLE MATCH
O-RING
Possible match (shared part number)Sae International Dba Sae International
5331-01-387-1231MS9966-20POSSIBLE MATCH
O-RING
Possible match (shared part number)Sae International Dba Sae International
Jednolity Indeks Materialowy - Uniform Material Index
5331PL0660670
6/9Informative reference only
Jednolity Indeks Materialowy - Uniform Material Index
SAE-AS9966
3/1Design control — primary reference
Sae International Dba Sae International
Related Parts
5331-00-414-2807POSSIBLE MATCH
O-RING
MS9966-10
5331-00-414-2809POSSIBLE MATCH
O-RING
6687109-12
5331-00-414-2810POSSIBLE MATCH
O-RING
MS9966-05
5331-00-425-2021POSSIBLE MATCH
O-RING
6871091-06
5331-00-582-2571POSSIBLE MATCH
O-RING
MS9966-24
5331-01-011-1761POSSIBLE MATCH
O-RING
MS9966-02
5331-01-022-8131POSSIBLE MATCH
O-RING
6871091-16
5331-01-080-9232POSSIBLE MATCH
O-RING
MS9966-07
5331-01-215-5393POSSIBLE MATCH
O-RING
MS9966-14
5331-01-387-1231POSSIBLE MATCH
O-RING
MS9966-20
5331-01-511-3072POSSIBLE MATCH
O-RING
MS9966-03
Frequently Asked Questions
What is NSN 5331-00-414-2676?
NSN 5331-00-414-2676 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-00-414-2676?
NSN 5331-00-414-2676 has 1 manufacturer part number on file: MS9966-08 (Sae International Dba Sae International).
What NSN replaces 5331-00-414-2676?
11 possible matches (shared part number, not a government interchangeability claim): 5331-00-414-2807, 5331-00-414-2809, 5331-00-414-2810. Verify interchangeability with system specifications before substitution.
What are the specifications of MS9966-08?
Key specifications for MS9966-08: Temp Rating: -67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Outside Diameter: 0.818 INCHES NOMINAL IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5331-00-414-2676 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.