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NSN 5331-00-414-2810Government record, cited
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O-Ring5331-00-414-2810

NSN 5331-00-414-2810 · NIIN 004142810 · Part number MS9966-05
Sae International Dba Sae International · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 0U583
Government record, cited
NSN 5331-00-414-2810 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-414-2810. Manufacturer of record part number: MS9966-05.
Also searched as  5331-00-414-2810 · 5331004142810 · NIIN 004142810 · 00-414-2810 · FSC 5331 O-ring · CAGE 0U583 · MS9966-05 · MILR3533-905ES · SAE-AS9966
Nearby stock numbers  ·
SECTION OD 0.558 INCHES NOMINAL IN O-RING CROSS SECTION
5331-00-414-2810 — O-ring
Features
  • O-Ring — FSC 5331
  • Temp Rating: -67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
  • Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
  • Outside Diameter: 0.558 INCHES NOMINAL IN
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Center Hole Diameter: 0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROSILICONE CLASS FQ
  • 1 manufacturer part number on file
Identification
  • NSN: 5331-00-414-2810
  • NIIN: 004142810
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: MS9966-05
  • Manufacturer: Sae International Dba Sae International
General Description

The O-Ring, cataloged under National Stock Number 5331-00-414-2810, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-414-2810
Primary Part NumberMS9966-05
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Temp Rating-67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
Cross-Sectional Height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
Outside Diameter0.558 INCHES NOMINAL IN
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Center Hole Diameter0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
MaterialRUBBER FLUOROSILICONE CLASS FQ
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5331-00-425-20216871091-06 POSSIBLE MATCH
O-RING
Possible match (shared part number)Rolls-Royce Corporation
5331-00-582-2571MS9966-24 POSSIBLE MATCH
O-RING
Possible match (shared part number)Sae International Dba Sae International
5331-01-011-1761MS9966-02 POSSIBLE MATCH
O-RING
Possible match (shared part number)Sae International Dba Sae International
5331-01-022-81316871091-16 POSSIBLE MATCH
O-RING
Possible match (shared part number)Allison Transmission Inc Dba Allison Transmission, Inc
5331-01-080-9232MS9966-07 POSSIBLE MATCH
O-RING
Possible match (shared part number)Sae International Dba Sae International
5331-01-215-5393MS9966-14 POSSIBLE MATCH
O-RING
Possible match (shared part number)Sae International Dba Sae International
5331-01-387-1231MS9966-20 POSSIBLE MATCH
O-RING
Possible match (shared part number)Sae International Dba Sae International
5331-01-511-3072MS9966-03 POSSIBLE MATCH
O-RING
Possible match (shared part number)Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS9966-05 PRIMARY Sae International Dba Sae International (USA)
Reference documents
ReferenceMeaning
MS9966-05 3/9 Design control — primary reference
U.S. Government activity
MILR3533-905ES 5/9 Secondary reference
Eriks B.v.
SAE-AS9966 3/1 Design control — primary reference
Sae International Dba Sae International
MS9966-05 5/9 Secondary reference
U.S. Government activity
5331PL1771247 6/9 Informative reference only
Jednolity Indeks Materialowy - Uniform Material Index
5331PL0844976 6/9 Informative reference only
Jednolity Indeks Materialowy - Uniform Material Index
Related Parts
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 5331-00-414-2810?

NSN 5331-00-414-2810 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 5331-00-414-2810?

NSN 5331-00-414-2810 has 1 manufacturer part number on file: MS9966-05 (Sae International Dba Sae International).

What NSN replaces 5331-00-414-2810?

8 possible matches (shared part number, not a government interchangeability claim): 5331-00-425-2021, 5331-00-582-2571, 5331-01-011-1761. Verify interchangeability with system specifications before substitution.

What are the specifications of MS9966-05?

Key specifications for MS9966-05: Temp Rating: -67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Outside Diameter: 0.558 INCHES NOMINAL IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5331-00-414-2810 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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