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12321678-2 — BAND,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12321678-2: BAND,RETAINING.

The BAND,RETAINING is a the manufacturer industrial component. Key specifications include width: 2.500 INCHES NOMINAL IN, material: STEEL COMP 630 OR STEEL COMP 631, end_style: LOOP WITH BOLT, thickness: 0.063 INCHES NOMINAL IN, bend_radius: 3.025 INCHES NOMINAL IN, material_document_and_classification: AMS 5604 ASSN STD 1ST MATERIAL RESPONSE AND MIL-S-25043 MIL SPEC 2ND MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-340-5380, 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
12321678-2
NSN: 5340-01-340-5380
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
width2.500 INCHES NOMINAL IN
materialSTEEL COMP 630 OR STEEL COMP 631
end_styleLOOP WITH BOLT
thickness0.063 INCHES NOMINAL IN
bend_radius3.025 INCHES NOMINAL IN
basic_shape_styleC
material_document_and_classificationAMS 5604 ASSN STD 1ST MATERIAL RESPONSE AND MIL-S-25043 MIL SPEC 2ND MATERIAL RESPONSE
NSN5340-01-340-5380
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12321678-2 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
•
END STYLE: LOOP WITH T-BOLT
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5604 ASSN STD 1ST MATERIAL RESPONSE AND MIL-S-25043 MIL SPEC 2ND MATERIAL RESPONSE
•
BASIC SHAPE STYLE: C
•
WIDTH: 2.500 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 630 OR STEEL COMP 631
•
BEND RADIUS: 3.025 INCHES NOMINAL IN
•
THICKNESS: 0.063 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
END STYLELOOP WITH T-BOLT
END STYLELOOP WITH BOLT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5604 ASSN STD 1ST MATERIAL RESPONSE AND MIL-S-25043 MIL SPEC 2ND MATERIAL RESPONSE
BASIC SHAPE STYLEC
WIDTH2.500 INCHES NOMINAL IN
MATERIALSTEEL COMP 630 OR STEEL COMP 631
BEND RADIUS3.025 INCHES NOMINAL IN
THICKNESS0.063 INCHES NOMINAL IN
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12321678-2?
12321678-2 is a BAND,RETAINING.
What is the NSN for 12321678-2?
12321678-2 is cataloged in the U.S. Government catalog under NSN 5340-01-340-5380. This indicates validated use in U.S. government and defense supply chains.
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