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NGR540ER12 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

NGR540ER12: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include outside_diameter: 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-443-3714, 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
NGR540ER12
NSN: 5325-01-443-3714
FSC: 5325 — Fastening Devices
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
outside_diameter0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
NSN5325-01-443-3714
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NGR540ER12 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OUTSIDE DIAMETER: 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 1
L352000302Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NGR540ER12?
NGR540ER12 is a RING,RETAINING.
What parts can replace NGR540ER12?
There is 1 known substitute for NGR540ER12: L352000302. Substitute compatibility should be verified for your specific system.
What is the NSN for NGR540ER12?
NGR540ER12 is cataloged in the U.S. Government catalog under NSN 5325-01-443-3714. 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.