PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A0-770-5O-Ring

Lydall Inc Elastomer Products Group · NSN 5331-00-260-9338 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-260-9338 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-260-9338. Primary manufacturer part number: A0-770-5.
Features
  • O-Ring — FSC 5331
  • 33 verified cross-references
  • Primary manufacturer: Lydall Inc Elastomer Products Group
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-00-260-9338, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Lydall Inc Elastomer Products Group. This item has 33 commercial cross-references from 27 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersDrs Environmental Systems Inc (CAGE 5RQL2); Eriks B.v. (CAGE H2313); Embraer Empresa Brasileira De Aeronautica Sa (CAGE S4956); Parco, Llc (CAGE 77308); Sae International Dba Sae International (CAGE 0U583)
Technical Specifications
ParameterValue
NSN5331-00-260-9338
Primary Part NumberA0-770-5
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerLydall Inc Elastomer Products Group
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-00-166-5986 INTERCHANGEABLE
O-Ring
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
5331-00-263-8007MS29513-268 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-263-8011MS29512-03 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-274-7857MS29513-038 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
5331-00-951-315081343AS29513-026 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
T0591 Drs Environmental Systems Inc (USA)
MS29513-227ES Eriks B.v. (NLD)
3013919 Embraer Empresa Brasileira De Aeronautica Sa (BRA)
PRP568-227-457-60 Parco, Llc (USA)
AMS-P-5315A Sae International Dba Sae International (USA)
T0591 Snydergeneral Corp Dba American Air Filter (USA)
RT253-65-227 Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
10V60-141-227 Houghton International Inc. (USA)
A0-770-5 PRIMARY Lydall Inc Elastomer Products Group (USA)
725-70-227 Trostel Albert Packing Ltd (USA)
SR-822A-60-227 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
AMS-P-5315A Society of Automotive Engineers Inc (USA)
SP4348250-227 PRIMARY Mission Systems Davenport Inc. (USA)
AS29513-227 Society of Automotive Engineers Inc (USA)
MS29513-227 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
7866-227 Parker Hannifin Corporation Div O-Ring Division (USA)
T0591 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
SP6259 Liquid Controls, L.l.c. Div Idex Corporation (USA)
3013919 Embraer S.a. (BRA)
10011F142 Meggitt North Hollywood Inc (USA)
Related Parts
5331-00-166-5986INTERCHANGEABLE
O-RING
5331-00-248-3832INTERCHANGEABLE
O-RING
MS29513-007
5331-00-248-3839INTERCHANGEABLE
O-RING
MS29513-111
5331-00-250-0230INTERCHANGEABLE
O-RING
MS29513-22
5331-00-263-8007INTERCHANGEABLE
O-RING
MS29513-268
5331-00-263-8011INTERCHANGEABLE
O-RING
MS29512-03
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
5331-01-017-0700INTERCHANGEABLE
O-RING
2-227N602-70
2930-01-109-4396INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE

Frequently Asked Questions

What is NSN 5331-00-260-9338?

NSN 5331-00-260-9338 is a O-Ring, manufactured by Lydall Inc Elastomer Products Group, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-260-9338?

NSN 5331-00-260-9338 has 33 cross-referenced part numbers: T0591 (Drs Environmental Systems Inc), MS29513-227ES (Eriks B.v.), 3013919 (Embraer Empresa Brasileira De Aeronautica Sa), PRP568-227-457-60 (Parco, Llc), AMS-P-5315A (Sae International Dba Sae International) and 28 more.

What NSN replaces 5331-00-260-9338?

There are 12 known substitutes for 5331-00-260-9338: 5331-00-166-5986, 5331-00-248-3832, 5331-00-248-3839 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5331-00-260-9338 still in active supply?

NSN 5331-00-260-9338 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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