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RU-245 — PIN,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

RU-245: PIN,LOCK.

The PIN,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, special_features: THIS ITEM HAS A UNIQUE STYLE, style_designator: LOCK, wire_stock_diameter: 0.072 INCHES NOMINAL IN, end_item_identification: A/A49E-20 ARM SUBSYS, part_name_assigned_by_controlling_agency: PIN, COTTER, LOCKING. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-530-3374, 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
RU-245
NSN: 5315-01-530-3374
NIINs: 015303374, 015699306
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 01599 — REID SUPPLY COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
special_featuresTHIS ITEM HAS A UNIQUE STYLE
style_designatorLOCK
wire_stock_diameter0.072 INCHES NOMINAL IN
end_item_identificationA/A49E-20 ARM SUBSYS
part_name_assigned_by_controlling_agencyPIN, COTTER, LOCKING
NSN5315-01-530-3374
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: RU-245 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: LOCK
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORLOCK
SPECIAL FEATURESTHIS ITEM HAS A UNIQUE STYLE
PART NAME ASSIGNED BY CONTROLLING AGENCYRING,RETAINING
END ITEM IDENTIFICATIONMK44 MOD1, WEAPON SYSTEM, 7.6MM MINIGUN MM
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
8166492Reference 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 RU-245?
RU-245 is a PIN,LOCK.
What parts can replace RU-245?
There is 1 known substitute for RU-245: 8166492. Substitute compatibility should be verified for your specific system.
What is the NSN for RU-245?
RU-245 is cataloged in the U.S. Government catalog under NSN 5315-01-530-3374. 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.