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451009 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The INTERPOSSER BLANK ASSEMBLY is a the manufacturer industrial component. Key specifications include end_item_identification: CAGE 0SPV9, P/N DK-105, general_characteristics_item_description: 2:1 PLUNGER FOR 50 ML CARTRIDGE SYSTEM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-045-1009, 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
451009
NSN: 5310-00-045-1009
FSC: 5310
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
end_item_identificationCAGE 0SPV9, P/N DK-105
general_characteristics_item_description2:1 PLUNGER FOR 50 ML CARTRIDGE SYSTEM
NSN5310-00-045-1009
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 451009 · 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
•
THREAD CLASS: 2B
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
THREAD QUANTITY PER INCH: 16
•
WIDTH ACROSS FLATS: 0.562 INCHES NOMINAL IN
•
NUT HEIGHT: 0.328 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.375 INCHES IN
THREAD QUANTITY PER INCH16
WIDTH ACROSS FLATS0.562 INCHES NOMINAL IN
NUT HEIGHT0.328 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NUT STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
126-009Interchangeable
interchangeable cross-reference
interchangeable
451009Interchangeable
interchangeable cross-reference
interchangeable
1008ND6113Interchangeable
interchangeable cross-reference
interchangeable
821756 PIECE 23Interchangeable
interchangeable cross-reference
interchangeable
754Interchangeable
interchangeable cross-reference
interchangeable
D-103Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 451009?
451009 is a INTERPOSSER BLANK ASSEMBLY.
What parts can replace 451009?
There are 6 known substitutes for 451009: 126-009, 451009, 1008ND6113 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 451009?
451009 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-045-1009. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026