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375-40-45-28 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

375-40-45-28: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, shank_length: 1.156 INCHES NOMINAL IN, thread_length: 1.156 INCHES NOMINAL IN, overall_length: 19.250 INCHES NOMINAL IN, shank_diameter: 4.705 INCHES MINIMUM AND 4.716 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES SHOULDER OUTSIDE DIAMETER. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-299-6738, 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
375-40-45-28
NSN: 5315-01-299-6738
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 63952 — EDERER INC STAR CRANES DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
shank_length1.156 INCHES NOMINAL IN
thread_length1.156 INCHES NOMINAL IN
overall_length19.250 INCHES NOMINAL IN
shank_diameter4.705 INCHES MINIMUM AND 4.716 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES SHOULDER OUTSIDE DIAMETER
undercut_width0.156 INCHES NOMINAL IN
first_end_styleCHAMFERED
second_end_styleCHAMFERED
style_designatorUNDERCUT
shoulder_diameter4.999 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN
first_end_locationSHOULDER END
NSN5315-01-299-6738
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 375-40-45-28 · 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: 4.705 INCHES MINIMUM AND 4.716 INCHES MAXIMUM IN
•
SURFACE FINISH: 63.0 MICROINCHES SHOULDER OUTSIDE DIAMETER
•
UNDERCUT WIDTH: 0.156 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.125 INCHES NOMINAL IN
•
FIRST END LOCATION: SHOULDER END
•
HOLE ARRANGEMENT STYLE: BOTH END DRILLED
•
THREAD LENGTH: 1.156 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
TECHNICAL CHARACTERISTICS
SHANK DIAMETER4.705 INCHES MINIMUM AND 4.716 INCHES MAXIMUM IN
SURFACE FINISH63.0 MICROINCHES SHOULDER OUTSIDE DIAMETER
UNDERCUT WIDTH0.156 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.125 INCHES NOMINAL IN
FIRST END LOCATIONSHOULDER END
HOLE ARRANGEMENT STYLEBOTH END DRILLED
THREAD LENGTH1.156 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
FIRST HOLE DIAMETER0.344 INCHES NOMINAL IN
SHANK LENGTH1.156 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 4
375-05-05 ITEM 12Reference document
Same NSN cross-reference
Reference document — Secondary reference
40-45-28Reference document
Same NSN cross-reference
Reference document — Secondary reference
375-05-05 PART 40-45-28Reference document
Same NSN cross-reference
Reference document — Secondary reference
375-40-45 ITEMReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 375-40-45-28?
375-40-45-28 is a PIN,SHOULDER,HEADLESS.
What parts can replace 375-40-45-28?
There are 4 known substitutes for 375-40-45-28: 375-05-05 ITEM 12, 40-45-28, 375-05-05 PART 40-45-28 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 375-40-45-28?
375-40-45-28 is cataloged in the U.S. Government catalog under NSN 5315-01-299-6738. This indicates validated use in U.S. government and defense supply chains.
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