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837-0625-912 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

837-0625-912: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, special_features: 5/8 INCH LOCKNUT IN, end_item_identification: S/W COOLING PROP PUMP 999-4213-E-16; BACKCOVER/VOLUTE, part_name_assigned_by_controlling_agency: LOCKNUT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-550-8836, 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
837-0625-912
NSN: 5310-01-550-8836
FSC: 5310 — Nuts and Washers
CAGE: 10941 — CARVER PUMP COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
special_features5/8 INCH LOCKNUT IN
end_item_identificationS/W COOLING PROP PUMP 999-4213-E-16; BACKCOVER/VOLUTE
part_name_assigned_by_controlling_agencyLOCKNUT
NSN5310-01-550-8836
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 837-0625-912 · 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
•
MATERIAL: NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES5/8 INCH LOCKNUT IN
PART NAME ASSIGNED BY CONTROLLING AGENCYLOCKNUT
END ITEM IDENTIFICATIONS/W COOLING PROP PUMP 999-4213-E-16; BACKCOVER/VOLUTE
MATERIALNICKEL ALLOY OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
999-4213-E-16 ITEM 616Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 837-0625-912?
837-0625-912 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 837-0625-912?
There is 1 known substitute for 837-0625-912: 999-4213-E-16 ITEM 616. Substitute compatibility should be verified for your specific system.
What is the NSN for 837-0625-912?
837-0625-912 is cataloged in the U.S. Government catalog under NSN 5310-01-550-8836. 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.