PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS28775-222O-Ring

Tecno Trade S.r.l. · NSN 5331-01-232-4059 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-232-4059 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-232-4059. Primary manufacturer part number: MS28775-222.
Features
  • O-Ring — FSC 5331
  • Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
  • Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN
  • Criticality Code Justification: ZZZW
  • Peripheral Diameter: 1.762 INCHES NOMINAL IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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 5331-01-232-4059, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Tecno Trade S.r.l.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-232-4059
Primary Part NumberMS28775-222
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerTecno Trade S.r.l.
StatusACTIVE
Temp Rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
Departure From Cited DocumentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Center Hole Diameter1.478 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN
Criticality Code JustificationZZZW
Peripheral Diameter1.762 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Elongation Percentage160 MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5331-00-297-999013207E2956-1 INTERCHANGEABLE
O-Ring
Cecom Lr Center
5330-00-316-3403 INTERCHANGEABLE
Packing,preformed
5330-00-332-3445 INTERCHANGEABLE
Retainer,packing
5331-00-641-3763MS28775-221 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4820-00-868-2588025462DC INTERCHANGEABLE
Seat,valve
Admiral Valve Llc Dba Cpv Manufacturing
5331-01-079-1398 INTERCHANGEABLE
O-Ring
4820-01-145-7750 INTERCHANGEABLE
Disk and Guide Assembly
4820-01-145-7755 INTERCHANGEABLE
Stem,fluid Valve
5330-01-146-1407 INTERCHANGEABLE
Retainer,packing
5331-01-375-31404400173-2220 INTERCHANGEABLE
O-Ring
Marotta Controls Inc
Cross-Reference Index
Part NumberManufacturer
MS28775-222 Tecno Trade S.r.l. (ITA)
SAE-AS28775 Sae International Dba Sae International (USA)
C-8384PC12 Admiral Valve Llc Dba Cpv Manufacturing (USA)
501-6603017PC29 Naval Sea Systems Command (USA)
MS28775-222 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
C-7533/2827PC13 Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging (USA)
C-7532/2826PC13 Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging (USA)
233188-1 Marotta Controls Inc (USA)
235716-0001ITEM12 Marotta Controls Inc (USA)
C-7771ITEM13 Admiral Valve Llc Dba Cpv Manufacturing (USA)
C-8600ITEM6(MOD) Admiral Valve Llc Dba Cpv Manufacturing (USA)
4400173-2220 Marotta Controls Inc (USA)
C-7771PC12 Admiral Valve Llc Dba Cpv Manufacturing (USA)
C-7533/2827PC13 Hydrasearch Company, Llc (USA)
C-7532/2826PC13 Hydrasearch Company, Llc (USA)
Related Parts
5331-00-297-9990INTERCHANGEABLE
O-RING
13207E2956-1
5330-00-316-3403INTERCHANGEABLE
PACKING,PREFORMED
5330-00-332-3445INTERCHANGEABLE
RETAINER,PACKING
5331-00-641-3763INTERCHANGEABLE
O-RING
MS28775-221
4820-00-868-2588INTERCHANGEABLE
SEAT,VALVE
025462DC
5331-01-079-1398INTERCHANGEABLE
O-RING
4820-01-145-7750INTERCHANGEABLE
DISK AND GUIDE ASSEMBLY
4820-01-145-7755INTERCHANGEABLE
STEM,FLUID VALVE
5330-01-146-1407INTERCHANGEABLE
RETAINER,PACKING
5331-01-375-3140INTERCHANGEABLE
O-RING
4400173-2220
5950-01-408-0585INTERCHANGEABLE
COIL,ELECTRICAL
233188-1

Frequently Asked Questions

What is NSN 5331-01-232-4059?

NSN 5331-01-232-4059 is a O-Ring, manufactured by Tecno Trade S.r.l., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-232-4059?

NSN 5331-01-232-4059 has 15 cross-referenced part numbers: MS28775-222 (Tecno Trade S.r.l.), SAE-AS28775 (Sae International Dba Sae International), C-8384PC12 (Admiral Valve Llc Dba Cpv Manufacturing), 501-6603017PC29 (Naval Sea Systems Command), MS28775-222 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 10 more.

What NSN replaces 5331-01-232-4059?

There are 11 known substitutes for 5331-01-232-4059: 5331-00-297-9990, 5330-00-316-3403, 5330-00-332-3445 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS28775-222?

Key specifications for MS28775-222: Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 1.478 INCHES MINIMUM AND 1.490 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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