PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13-257Gasket

Almco, Inc · NSN 5330-00-871-0320 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-871-0320 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-871-0320. Primary manufacturer part number: 13-257.
Features
  • Gasket — FSC 5330
  • Aperture Length: 14.062 INCHES NOMINAL IN
  • Aperture Width: 8.438 INCHES NOMINAL IN
  • Hole Diameter: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Material: PLASTIC OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Almco, Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Plastic Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-871-0320, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Almco, Inc. Government technical data includes 4 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-871-0320
Primary Part Number13-257
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerAlmco, Inc
StatusACTIVE
Aperture Length14.062 INCHES NOMINAL IN
Aperture Width8.438 INCHES NOMINAL IN
Hole Diameter0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MaterialPLASTIC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4820-00-036-1548N1325794 INTERCHANGEABLE
Diaphragm,valve,flat
Leslie Controls, Inc. Dba Leslie Controls Inc
5930-00-179-468013257 INTERCHANGEABLE
Adapter,switch Actuator
Grimes Aerospace Company
4730-00-254-6228SAE J512 6-6 010202B(E1) INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
5935-01-077-5365 INTERCHANGEABLE
Connector,receptacle,electrical
6115-01-472-844213257/A268290000/2689 INTERCHANGEABLE
Generator,alternating Current
Kato Engineering Inc.
6515-01-576-569661-9401-001 INTERCHANGEABLE
Case,electrosurgical Apparatus
Conmed Corp Dba Conmed Linvatec Div Conmed Corporation
7530-01-608-638313257 INTERCHANGEABLE
Envelope,mailing
3 Star Papers Ltd Dba Limited Papers Div Limited Papers
Cross-Reference Index
Part NumberManufacturer
13-257 PRIMARY Almco, Inc (USA)
Related Parts
4820-00-036-1548INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
N1325794
5930-00-179-4680INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
13257
4730-00-254-6228INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J512 6-6 010202B(E1)
5935-01-077-5365INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6115-01-472-8442INTERCHANGEABLE
GENERATOR,ALTERNATING CURRENT
13257/A268290000/2689
6515-01-576-5696INTERCHANGEABLE
CASE,ELECTROSURGICAL APPARATUS
61-9401-001
7530-01-608-6383INTERCHANGEABLE
ENVELOPE,MAILING
13257

Frequently Asked Questions

What is NSN 5330-00-871-0320?

NSN 5330-00-871-0320 is a Gasket, manufactured by Almco, Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-871-0320?

NSN 5330-00-871-0320 has 1 cross-referenced part number: 13-257 (Almco, Inc).

What NSN replaces 5330-00-871-0320?

There are 7 known substitutes for 5330-00-871-0320: 4820-00-036-1548, 5930-00-179-4680, 4730-00-254-6228 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13-257?

Key specifications for 13-257: Aperture Length: 14.062 INCHES NOMINAL IN; Aperture Width: 8.438 INCHES NOMINAL IN; Overall Length: 15.656 INCHES NOMINAL IN; Overall Width: 10.031 INCHES NOMINAL IN. 7 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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