PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61977HGasket

Navistar Intl Corp Truck Br Ohio Plant · NSN 5330-00-447-5370 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-447-5370 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-447-5370. Primary manufacturer part number: 61977H.
Features
  • Gasket — FSC 5330
  • Side Radius From Gasket Center: 1.250 INCHES NOMINAL IN
  • Bolt Circle Diameter: 2.938 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Outside Corner Radius: 0.406 INCHES NOMINAL IN
  • Hole Diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Material Document and Classification: MIL-G-12803,+1162-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
  • Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket, cataloged under National Stock Number 5330-00-447-5370, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navistar Intl Corp Truck Br Ohio Plant. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-447-5370
Primary Part Number61977H
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNavistar Intl Corp Truck Br Ohio Plant
StatusACTIVE
Side Radius From Gasket Center1.250 INCHES NOMINAL IN
Bolt Circle Diameter2.938 INCHES NOMINAL IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Outside Corner Radius0.406 INCHES NOMINAL IN
Hole Diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Material Document and ClassificationMIL-G-12803,+1162-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
Cross-Sectional Thickness0.031 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3030-00-136-21469630 INTERCHANGEABLE
Belt,v
Gates Corporation
5930-00-234-0196680-808-00 INTERCHANGEABLE
Switch,toggle
Henderson Engineering Co Inc Dba Sahara Air Dryers
6675-00-880-1820 INTERCHANGEABLE
Level,surveying
5331-01-239-178017630 INTERCHANGEABLE
O-Ring
Tyco Fire Products Lp
4130-01-349-8584SF-11H7 INTERCHANGEABLE
Filter-Drier,refrigerant
Parker-Hannifin Corp Div Sporlan Division
5305-01-734-012717630 INTERCHANGEABLE
Thumbscrew
Vigor Works Llc
Cross-Reference Index
Part NumberManufacturer
61977H Navistar International Corporation Dba Navistar (USA)
61977H PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
17630 PRIMARY Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
Related Parts
3030-00-136-2146INTERCHANGEABLE
BELT,V
9630
5930-00-234-0196INTERCHANGEABLE
SWITCH,TOGGLE
680-808-00
6675-00-880-1820INTERCHANGEABLE
LEVEL,SURVEYING
5331-01-239-1780INTERCHANGEABLE
O-RING
17630
4130-01-349-8584INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
SF-11H7
5305-01-734-0127INTERCHANGEABLE
THUMBSCREW
17630

Frequently Asked Questions

What is NSN 5330-00-447-5370?

NSN 5330-00-447-5370 is a Gasket, manufactured by Navistar Intl Corp Truck Br Ohio Plant, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-447-5370?

NSN 5330-00-447-5370 has 3 cross-referenced part numbers: 61977H (Navistar International Corporation Dba Navistar), 61977H (Navistar Intl Corp Truck Br Ohio Plant), 17630 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products).

What NSN replaces 5330-00-447-5370?

There are 6 known substitutes for 5330-00-447-5370: 3030-00-136-2146, 5930-00-234-0196, 6675-00-880-1820 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 61977H?

Key specifications for 61977H: Side Radius From Gasket Center: 1.250 INCHES NOMINAL IN; Bolt Circle Diameter: 2.938 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Corner Radius: 0.406 INCHES NOMINAL IN. 8 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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