PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3157Seal,nonmetallic Special Shaped

Bock Engineered Products Inc · NSN 5330-01-236-1820 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-236-1820 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-236-1820. Primary manufacturer part number: 3157.
Features
  • Seal,nonmetallic Special Shaped — FSC 5330
  • Construction: SOLIDSOLID
  • Material: RUBBER OVERALL
  • Cross-Sectional Width: 0.594 INCHES MINIMUM AND 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM0.656 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.444 INCHES MINIMUM AND 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM0.494 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: U SHAPEU SHAPE
  • 1 verified cross-reference
  • Primary manufacturer: Bock Engineered Products Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Overall construction
General Description

The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-236-1820, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bock Engineered Products Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5330-01-236-1820
Primary Part Number3157
Item NameSeal,nonmetallic Special Shaped
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerBock Engineered Products Inc
StatusACTIVE
ConstructionSOLIDSOLID
MaterialRUBBER OVERALL
Cross-Sectional Width0.594 INCHES MINIMUM AND 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM0.656 INCHES MAXIMUM IN
Cross-Sectional Height0.444 INCHES MINIMUM AND 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM0.494 INCHES MAXIMUM IN
Cross-Sectional Shape StyleU SHAPEU SHAPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6510-00-193-8973 INTERCHANGEABLE
Sponge,surgical
3455-00-254-846413560 INTERCHANGEABLE
Cutter,milling,convex
Niagara Cutter Inc
6105-00-377-8183RM3154 INTERCHANGEABLE
Motor,alternating Current
Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.
5910-00-396-3298917-1081-00 INTERCHANGEABLE
Capacitor Assembly
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5935-00-806-268431-57 INTERCHANGEABLE
Connector,receptacle,electrical
Te Connectivity Corporation Dba Microdot Products
5950-00-810-03759174825 INTERCHANGEABLE
Reactor
Us Army Aviation and Missile Command
2590-00-847-89943157 INTERCHANGEABLE
Package,primary
Genuine Parts Company Div Automotive Parts Group, Dba Napa
2915-00-871-09487590046-101 INTERCHANGEABLE
Element and Stud Assy Fuel Filte
Pti Technologies Inc.
4510-01-211-47363-157 INTERCHANGEABLE
Faucet,single
Elliott Machine Works Inc
5340-01-334-84913187 INTERCHANGEABLE
Clamp,loop
Zodiac of North America, Inc. Dba Zodiac of North America Inc Div Milpro
Cross-Reference Index
Part NumberManufacturer
3157 Bock Engineered Products Inc (USA)
Related Parts
6510-00-193-8973INTERCHANGEABLE
SPONGE,SURGICAL
3455-00-254-8464INTERCHANGEABLE
CUTTER,MILLING,CONVEX
13560
6105-00-377-8183INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
RM3154
5910-00-396-3298INTERCHANGEABLE
CAPACITOR ASSEMBLY
917-1081-00
5935-00-806-2684INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
31-57
5950-00-810-0375INTERCHANGEABLE
REACTOR
9174825
2590-00-847-8994INTERCHANGEABLE
PACKAGE,PRIMARY
3157
2915-00-871-0948INTERCHANGEABLE
ELEMENT AND STUD ASSY FUEL FILTE
7590046-101
4510-01-211-4736INTERCHANGEABLE
FAUCET,SINGLE
3-157
5340-01-334-8491INTERCHANGEABLE
CLAMP,LOOP
3187
6240-01-396-2167INTERCHANGEABLE
LAMP,INCANDESCENT
5998-01-423-8433INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 5330-01-236-1820?

NSN 5330-01-236-1820 is a Seal,nonmetallic Special Shaped, manufactured by Bock Engineered Products Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-236-1820?

NSN 5330-01-236-1820 has 1 cross-referenced part number: 3157 (Bock Engineered Products Inc).

What NSN replaces 5330-01-236-1820?

There are 12 known substitutes for 5330-01-236-1820: 6510-00-193-8973, 3455-00-254-8464, 6105-00-377-8183 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3157?

Key specifications for 3157: Construction: SOLIDSOLID; Material: RUBBER OVERALL; Overall Length: 75.250 INCHES NOMINAL75.250 INCHES NOMINAL IN; Cross-Sectional Width: 0.594 INCHES MINIMUM AND 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM0.656 INCHES MAXIMUM IN. 6 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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