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H677-2301-120 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H677-2301-120: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, overall_width: 0.800 INCHES NOMINAL IN, overall_length: 1.000 INCHES NOMINAL IN, style_designator: RECTANGULAR, elongation_percentage: 300 MAXIMUM, end_item_identification: MOTOR HOVERIN;LOS ANGELES CLASS SSN (688). This part is cataloged in the U.S.

Government catalog under NSN 5330-01-496-9992, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
H677-2301-120
NSN: 5330-01-496-9992
FSC: 5330 — Packing and Gasket Materials
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
overall_width0.800 INCHES NOMINAL IN
overall_length1.000 INCHES NOMINAL IN
style_designatorRECTANGULAR
elongation_percentage300 MAXIMUM
end_item_identificationMOTOR HOVERIN;LOS ANGELES CLASS SSN (688)
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyGASKET CLAMP
NSN5330-01-496-9992
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H677-2301-120 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
ELONGATION PERCENTAGE: 300 MAXIMUM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH0.800 INCHES NOMINAL IN
ELONGATION PERCENTAGE300 MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET CLAMP
END ITEM IDENTIFICATIONMOTOR HOVERIN;LOS ANGELES CLASS SSN (688)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
H677-2401-420Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H677-2401-120Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H677-2701-120Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H677-2301-120?
H677-2301-120 is a GASKET.
What parts can replace H677-2301-120?
There are 3 known substitutes for H677-2301-120: H677-2401-420, H677-2401-120, H677-2701-120. Substitute compatibility should be verified for your specific system.
What is the NSN for H677-2301-120?
H677-2301-120 is cataloged in the U.S. Government catalog under NSN 5330-01-496-9992. This indicates validated use in U.S. government and defense supply chains.
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