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H677-2301-521 — SEAL,NONMETALLIC STRIP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H677-2301-521: SEAL,NONMETALLIC STRIP.

The SEAL,NONMETALLIC STRIP is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, construction: ONE-PIECE, overall_length: 11.400 INCHES NOMINAL IN, style_designator: STRIP, cross-sectional_width: 1.400 INCHES NOMINAL IN, cross-sectional_height: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-497-4826, 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
H677-2301-521
NSN: 5330-01-497-4826
FSC: 5330 — Packing and Gasket Materials
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
constructionONE-PIECE
overall_length11.400 INCHES NOMINAL IN
special_featuresHAS 1 INCH NOTCH,OUTSIDE EDGE TO TOP OF NOTCH ALONG WIDTH 0.50 INCH,OUTSIDE EDGE TO BOTTOM OF NOTCH ALONG WIDTH 5.20 INCH IN
style_designatorSTRIP
cross-sectional_width1.400 INCHES NOMINAL IN
cross-sectional_height0.125 INCHES NOMINAL IN
end_item_identificationCONTROLLER IN
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-497-4826
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H677-2301-521 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 HEIGHT: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 1.400 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRIP
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH1.400 INCHES NOMINAL IN
STYLE DESIGNATORSTRIP
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH11.400 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESHAS 1 INCH NOTCH,OUTSIDE EDGE TO TOP OF NOTCH ALONG WIDTH 0.50 INCH,OUTSIDE EDGE TO BOTTOM OF NOTCH ALONG WIDTH 5.20 INCH IN
END ITEM IDENTIFICATIONCONTROLLER IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
CONSTRUCTIONONE-PIECE
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 4
H677-2401-521Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H677-2701-221Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H677-2301-221Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H677-2701-521Same 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 H677-2301-521?
H677-2301-521 is a SEAL,NONMETALLIC STRIP.
What parts can replace H677-2301-521?
There are 4 known substitutes for H677-2301-521: H677-2401-521, H677-2701-221, H677-2301-221 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H677-2301-521?
H677-2301-521 is cataloged in the U.S. Government catalog under NSN 5330-01-497-4826. This indicates validated use in U.S. government and defense supply chains.
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