PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS29513-27O-Ring

Wintec Llc · NSN 5331-00-166-5986 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-166-5986 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-166-5986. Primary manufacturer part number: MS29513-27.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 1.441 INCHES NOMINAL IN
  • Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL
  • Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
  • Center Hole Diameter: 1.295 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN
  • Elongation Percentage: 200 MAXIMUM
  • Criticality Code Justification: ZZZW
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-166-5986, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Wintec Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-166-5986
Primary Part NumberMS29513-27
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerWintec Llc
StatusACTIVE
Outside Diameter1.441 INCHES NOMINAL IN
Hardness Rating65.0 SHORE DUROMETER A NOMINAL
Departure From Cited DocumentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Center Hole Diameter1.295 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN
Elongation Percentage200 MAXIMUM
Criticality Code JustificationZZZW
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5331-00-248-3832MS29513-007 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-248-3839MS29513-111 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-250-0230MS29513-22 INTERCHANGEABLE
O-Ring
Honeywell International Inc. Div Aerospace - Torrance
5331-00-260-9338A0-770-5 INTERCHANGEABLE
O-Ring
Lydall Inc Elastomer Products Group
5331-00-263-8007MS29513-268 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-263-8011MS29512-03 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-265-1088MS29513-027 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-274-7857MS29513-038 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-337-8593MS29513-121 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-579-1021MS29513-123 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS29513-27 Wintec Llc (USA)
MS29513-027 Sae International Dba Sae International (USA)
AMS-P-5315A Sae International Dba Sae International (USA)
MS29513-027CP Society of Automotive Engineers Inc (USA)
MS29513-027 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5331PL1216109 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS29513-027 Society of Automotive Engineers Inc (USA)
SAE-AS29513 Sae International Dba Sae International (USA)
MS29513-27CP Naval Inventory Control Point Mechanicsburg (USA)
AMS-P-5315A Society of Automotive Engineers Inc (USA)
5331PL0930041 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS29513-027CP Sae International Dba Sae International (USA)
MS29513-027CP Naval Inventory Control Point Mechanicsburg (USA)
MS29513-27 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
10163209 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
5331-00-248-3832INTERCHANGEABLE
O-RING
MS29513-007
5331-00-248-3839INTERCHANGEABLE
O-RING
MS29513-111
5331-00-250-0230INTERCHANGEABLE
O-RING
MS29513-22
5331-00-260-9338INTERCHANGEABLE
O-RING
A0-770-5
5331-00-263-8007INTERCHANGEABLE
O-RING
MS29513-268
5331-00-263-8011INTERCHANGEABLE
O-RING
MS29512-03
5331-00-265-1088INTERCHANGEABLE
O-RING
MS29513-027
5331-00-274-7857INTERCHANGEABLE
O-RING
MS29513-038
5331-00-337-8593INTERCHANGEABLE
O-RING
MS29513-121
5331-00-579-1021INTERCHANGEABLE
O-RING
MS29513-123
5331-00-951-3150INTERCHANGEABLE
O-RING
81343AS29513-026
2925-00-986-7125INTERCHANGEABLE
COIL

Frequently Asked Questions

What is NSN 5331-00-166-5986?

NSN 5331-00-166-5986 is a O-Ring, manufactured by Wintec Llc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-166-5986?

NSN 5331-00-166-5986 has 15 cross-referenced part numbers: MS29513-27 (Wintec Llc), MS29513-027 (Sae International Dba Sae International), AMS-P-5315A (Sae International Dba Sae International), MS29513-027CP (Society of Automotive Engineers Inc), MS29513-027 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 10 more.

What NSN replaces 5331-00-166-5986?

There are 12 known substitutes for 5331-00-166-5986: 5331-00-248-3832, 5331-00-248-3839, 5331-00-250-0230 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS29513-27?

Key specifications for MS29513-27: Outside Diameter: 1.441 INCHES NOMINAL IN; Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL; Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; Center Hole Diameter: 1.295 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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