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C305-21LR — SLIDE,DRAWER,EXTENSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

C305-21LR: SLIDE,DRAWER,EXTENSION.

The SLIDE,DRAWER,EXTENSION is a the manufacturer industrial component. Key specifications include width: 1.390 INCHES NOMINAL IN, material: STEEL OVERALL, closed_length: 21.000 INCHES NOMINAL IN, extended_length: 42.880 INCHES NOMINAL IN, side_for_which_designed: LEFT HAND OR RIGHT HAND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-237-4070, 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
C305-21LR
NSN: 5340-01-237-4070
FSC: 5340 — Hardware, Commercial
CAGE: 16499 — STANDARD PRECISION INC ACCURIDE DIV (USA)
SPECIFICATIONS
width1.390 INCHES NOMINAL IN
materialSTEEL OVERALL
closed_length21.000 INCHES NOMINAL IN
extended_length42.880 INCHES NOMINAL IN
side_for_which_designedLEFT HAND OR RIGHT HAND
NSN5340-01-237-4070
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C305-21LR 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
•
EXTENDED LENGTH: 42.880 INCHES NOMINAL IN
•
CLOSED LENGTH: 21.000 INCHES NOMINAL IN
•
WIDTH: 1.390 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
SIDE FOR WHICH DESIGNED: LEFT HAND OR RIGHT HAND
TECHNICAL CHARACTERISTICS
EXTENDED LENGTH42.880 INCHES NOMINAL IN
CLOSED LENGTH21.000 INCHES NOMINAL IN
WIDTH1.390 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SIDE FOR WHICH DESIGNEDLEFT HAND OR RIGHT HAND
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 2
C305-A21-LRReference document
Same NSN cross-reference
Reference document — Secondary reference
C305-A20-LRDSame 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 C305-21LR?
C305-21LR is a SLIDE,DRAWER,EXTENSION.
What parts can replace C305-21LR?
There are 2 known substitutes for C305-21LR: C305-A21-LR, C305-A20-LRD. Substitute compatibility should be verified for your specific system.
What is the NSN for C305-21LR?
C305-21LR is cataloged in the U.S. Government catalog under NSN 5340-01-237-4070. This indicates validated use in U.S. government and defense supply chains.
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