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303873 — BUTTPLATE ADJUSTMEN

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

303873: BUTTPLATE ADJUSTMEN.

The BUTTPLATE ADJUSTMEN is a the manufacturer industrial component. Key specifications include diameter: 0.188 INCHES NOMINAL IN, material: STEEL COMP 410 OVERALL, overall_length: 2.225 INCHES MINIMUM AND 2.275 INCHES MAXIMUM IN, style_designator: SLOTTED, material_thickness: 0.040 INCHES NOMINAL IN, material_document_and_classification: AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-838-8177, 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
303873
NSN: 5315-00-838-8177
NIINs: 008388177, 016623588
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: H0G87 — WIBA ZEVENAAR B.V. (NLD)
SPECIFICATIONS
diameter0.188 INCHES NOMINAL IN
materialSTEEL COMP 410 OVERALL
overall_length2.225 INCHES MINIMUM AND 2.275 INCHES MAXIMUM IN
style_designatorSLOTTED
material_thickness0.040 INCHES NOMINAL IN
material_document_and_classificationAMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-838-8177
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 303873 · 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: SLOTTED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.188 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 410 OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSLOTTED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.188 INCHES NOMINAL IN
OVERALL LENGTH2.225 INCHES MINIMUM AND 2.275 INCHES MAXIMUM IN
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
MATERIALSTEEL COMP 410 OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
MS171603Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS9048-179Reference document
Same NSN cross-reference
Reference document — Secondary reference
79-040-187-2250Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 303873?
303873 is a BUTTPLATE ADJUSTMEN.
What parts can replace 303873?
There are 3 known substitutes for 303873: MS171603, MS9048-179, 79-040-187-2250. Substitute compatibility should be verified for your specific system.
What is the NSN for 303873?
303873 is cataloged in the U.S. Government catalog under NSN 5315-00-838-8177. 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.