PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

310-003O-Ring

Kirby Morgan Dive Systems Inc · NSN 5331-01-561-6004 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-561-6004 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-561-6004. Primary manufacturer part number: 310-003.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Kirby Morgan Dive Systems Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-561-6004, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Kirby Morgan Dive Systems Inc. This item has 2 commercial cross-references from 2 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
NSN5331-01-561-6004
Primary Part Number310-003
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerKirby Morgan Dive Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-053-3475310003-01 INTERCHANGEABLE
Ferrule,metallic Shielded Cable,
Bae Systems Information and Electronic Systems Integration Inc.
2840-00-560-2999310003 INTERCHANGEABLE
Tablock,turbine Bea
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
1280-00-875-3137 INTERCHANGEABLE
Cover,rubber
5961-00-892-87062N3904 INTERCHANGEABLE
Transistor
Semitronics Corp
5805-00-905-7174SM-C-538634-1 INTERCHANGEABLE
Key,telegraph
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5961-00-905-9394 INTERCHANGEABLE
Transistor
5331-01-156-6324310003 INTERCHANGEABLE
O-Ring
Dunns Valve Testers Inc
3120-01-211-0755802252051 INTERCHANGEABLE
Bearing,sleeve
Aljers Llc
5930-01-390-1619 INTERCHANGEABLE
Switch,rotary
6680-01-407-832831-0003 INTERCHANGEABLE
Meter,flow Rate Indicating
Gas Tech, Inc
Cross-Reference Index
Part NumberManufacturer
310-003 PRIMARY Kirby Morgan Dive Systems Inc (USA)
5331PL0719904 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5940-00-053-3475INTERCHANGEABLE
FERRULE,METALLIC SHIELDED CABLE,
310003-01
2840-00-560-2999INTERCHANGEABLE
TABLOCK,TURBINE BEA
310003
1280-00-875-3137INTERCHANGEABLE
COVER,RUBBER
5961-00-892-8706INTERCHANGEABLE
TRANSISTOR
2N3904
5805-00-905-7174INTERCHANGEABLE
KEY,TELEGRAPH
SM-C-538634-1
5961-00-905-9394INTERCHANGEABLE
TRANSISTOR
5331-01-156-6324INTERCHANGEABLE
O-RING
310003
3120-01-211-0755INTERCHANGEABLE
BEARING,SLEEVE
802252051
5930-01-390-1619INTERCHANGEABLE
SWITCH,ROTARY
6680-01-407-8328INTERCHANGEABLE
METER,FLOW RATE INDICATING
31-0003
6220-01-510-4948INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
310003
3130-01-623-4028INTERCHANGEABLE
HOUSING,BEARING UNIT
31-0003

Frequently Asked Questions

What is NSN 5331-01-561-6004?

NSN 5331-01-561-6004 is a O-Ring, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-561-6004?

NSN 5331-01-561-6004 has 2 cross-referenced part numbers: 310-003 (Kirby Morgan Dive Systems Inc), 5331PL0719904 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 5331-01-561-6004?

There are 12 known substitutes for 5331-01-561-6004: 5940-00-053-3475, 2840-00-560-2999, 1280-00-875-3137 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 310-003?

Key specifications for 310-003: End Item Identification: NSN4220-01-448-6434. 1 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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