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SSRB — BUCKLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SSRB: BUCKLE.

The BUCKLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_width: 2.0 INCHES NOMINAL IN, overall_length: 4.3 INCHES NOMINAL IN, special_features: RATCHET BUCKLE, 2 INCH X 3.4 INCH X 4.3 INCH STAINLESS STEEL. IN, end_item_identification: MK44 GWS.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-649-2308, 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
SSRB
NSN: 5340-01-649-2308
FSC: 5340 — Hardware, Commercial
CAGE: 4YPU4 — STRAPWORKS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width2.0 INCHES NOMINAL IN
overall_length4.3 INCHES NOMINAL IN
special_featuresRATCHET BUCKLE, 2 INCH X 3.4 INCH X 4.3 INCH STAINLESS STEEL. IN
end_item_identificationMK44 GWS
NSN5340-01-649-2308
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SSRB 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
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL LENGTH4.3 INCHES NOMINAL IN
OVERALL WIDTH2.0 INCHES NOMINAL IN
SPECIAL FEATURESRATCHET BUCKLE, 2 INCH X 3.4 INCH X 4.3 INCH STAINLESS STEEL. IN
END ITEM IDENTIFICATIONMK44 GWS
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SSRB?
SSRB is a BUCKLE.
What is the NSN for SSRB?
SSRB is cataloged in the U.S. Government catalog under NSN 5340-01-649-2308. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.