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211041588 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

211041588: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, shank_length: 2.220 INCHES NOMINAL IN, overall_length: 2.560 INCHES NOMINAL IN, shank_diameter: 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN, first_end_style: SQUARE, style_designator: SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-437-0034, 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
211041588
NSN: 5315-01-437-0034
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
shank_length2.220 INCHES NOMINAL IN
overall_length2.560 INCHES NOMINAL IN
shank_diameter0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
first_end_styleSQUARE
style_designatorSHOULDER
shoulder_diameter0.620 INCHES NOMINAL IN
first_end_locationBOTH ENDS
second_shank_length0.220 INCHES NOMINAL IN
second_shank_diameter0.380 INCHES NOMINAL IN
material_document_and_classificationQQ-S-786 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-01-437-0034
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 211041588 · 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
•
SHANK DIAMETER: 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
•
SECOND SHANK DIAMETER: 0.380 INCHES NOMINAL IN
•
FIRST END LOCATION: BOTH ENDS
•
FIRST END STYLE: SQUARE
•
SHANK LENGTH: 2.220 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-786 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
SECOND SHANK DIAMETER0.380 INCHES NOMINAL IN
FIRST END LOCATIONBOTH ENDS
FIRST END STYLESQUARE
SHANK LENGTH2.220 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-786 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH2.560 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SHOULDER DIAMETER0.620 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES 1
581-6405750 AHWA FIND 5CReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 211041588?
211041588 is a PIN,SHOULDER,HEADLESS.
What parts can replace 211041588?
There is 1 known substitute for 211041588: 581-6405750 AHWA FIND 5C. Substitute compatibility should be verified for your specific system.
What is the NSN for 211041588?
211041588 is cataloged in the U.S. Government catalog under NSN 5315-01-437-0034. 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.