PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-156O-Ring

Sandem Industries Inc · NSN 5331-01-296-8577 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-296-8577 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-296-8577. Primary manufacturer part number: 2-156.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Sandem Industries Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-296-8577, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sandem Industries 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.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersSandem Industries Inc (CAGE 4K202); Dynapac Mfg Inc (CAGE 03880)
Technical Specifications
ParameterValue
NSN5331-01-296-8577
Primary Part Number2-156
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSandem Industries Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-010-74782156 INTERCHANGEABLE
Indicator,humidity,plug
Clariant Corp Div Clariant Corporation
5905-00-113-7390443-1430-001 INTERCHANGEABLE
Resistor Network,fixed,wire Woun
The Boeing Company Div Legacy Boeing Hb1
5841-00-130-09582156 INTERCHANGEABLE
Spring,contact,bell
Precision Manufacturing Group Llc Dba Servometer Div Servometer
5315-00-281-72522156 INTERCHANGEABLE
Pin,straight,headed
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
2010-00-363-1606JS533-13A INTERCHANGEABLE
Link,lever
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
6640-00-524-59532156 INTERCHANGEABLE
Liquid Bath,electric
Leica Inc Surveying and Photogrammetry Systems Div
4920-00-792-9968 INTERCHANGEABLE
Analyzer
5310-00-851-32142156 INTERCHANGEABLE
Washer,shouldered
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5805-00-975-7315 INTERCHANGEABLE
Shaft
5342-01-083-82682502D031 INTERCHANGEABLE
Handle,outside,cab
Tankcraft Corp
Cross-Reference Index
Part NumberManufacturer
2-156 Sandem Industries Inc (USA)
813478 Dynapac Mfg Inc (USA)
Related Parts
6685-00-010-7478INTERCHANGEABLE
INDICATOR,HUMIDITY,PLUG
2156
5905-00-113-7390INTERCHANGEABLE
RESISTOR NETWORK,FIXED,WIRE WOUN
443-1430-001
5841-00-130-0958INTERCHANGEABLE
SPRING,CONTACT,BELL
2156
5315-00-281-7252INTERCHANGEABLE
PIN,STRAIGHT,HEADED
2156
2010-00-363-1606INTERCHANGEABLE
LINK,LEVER
JS533-13A
6640-00-524-5953INTERCHANGEABLE
LIQUID BATH,ELECTRIC
2156
4920-00-792-9968INTERCHANGEABLE
ANALYZER
5310-00-851-3214INTERCHANGEABLE
WASHER,SHOULDERED
2156
5805-00-975-7315INTERCHANGEABLE
SHAFT
5342-01-083-8268INTERCHANGEABLE
HANDLE,OUTSIDE,CAB
2502D031
4810-01-294-1665INTERCHANGEABLE
VALVE,ROTARY,SELECTOR
8-2275-2
2540-01-414-5495INTERCHANGEABLE
LADDER,VEHICLE BOARDING
813478

Frequently Asked Questions

What is NSN 5331-01-296-8577?

NSN 5331-01-296-8577 is a O-Ring, manufactured by Sandem Industries Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-296-8577?

NSN 5331-01-296-8577 has 2 cross-referenced part numbers: 2-156 (Sandem Industries Inc), 813478 (Dynapac Mfg Inc).

What NSN replaces 5331-01-296-8577?

There are 12 known substitutes for 5331-01-296-8577: 6685-00-010-7478, 5905-00-113-7390, 5841-00-130-0958 and 9 more. Verify interchangeability with system specifications before substitution.

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