CSR503-2 — RETAINER,FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

CSR503-2: RETAINER,FASTENER.

The RETAINER,FASTENER is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CRES,PASSIVATED,0.531 IN. LG,0.515 IN.

OD FLANGE,3/8-24 UNF 3A THD,0.188 IN. TO 0.312 IN. THK PANEL ACCOMMODATED A.

This part is cataloged in the U.S. Government catalog under NSN 5325-00-390-0763, 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

CSR503-2

NSN: 5325-00-390-0763
FSC: 5325 — Fastening Devices
CAGE: 58998 — FASTENER INNOVATION TECHNOLOGY, INC. DBA F I T (USA)

SPECIFICATIONS

general_characteristics_item_description	CRES,PASSIVATED,0.531 IN. LG,0.515 IN. OD FLANGE,3/8-24 UNF 3A THD,0.188 IN. TO 0.312 IN. THK PANEL ACCOMMODATED A
NSN	5325-00-390-0763

COMPONENT DIAGRAM

KEY FEATURES

•

GENERAL CHARACTERISTICS ITEM DESCRIPTION: CRES,PASSIVATED,0.531 IN. LG,0.515 IN. OD FLANGE,3/8-24 UNF 3A THD,0.188 IN. TO 0.312 IN. THK PANEL ACCOMMODATED A

TECHNICAL CHARACTERISTICS

GENERAL CHARACTERISTICS ITEM DESCRIPTION

CRES,PASSIVATED,0.531 IN. LG,0.515 IN. OD FLANGE,3/8-24 UNF 3A THD,0.188 IN. TO 0.312 IN. THK PANEL ACCOMMODATED A

SUBSTITUTES & CROSS-REFERENCES 2

CA30024-4-2Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST3M587-2Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

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 CSR503-2?

CSR503-2 is a RETAINER,FASTENER.

What parts can replace CSR503-2?

There are 2 known substitutes for CSR503-2: CA30024-4-2, ST3M587-2. Substitute compatibility should be verified for your specific system.

What is the NSN for CSR503-2?

CSR503-2 is cataloged in the U.S. Government catalog under NSN 5325-00-390-0763. This indicates validated use in U.S. government and defense supply chains.

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