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6880188 — PIN,SHOULDER,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6880188: PIN,SHOULDER,HEADED.

The PIN,SHOULDER,HEADED is a the manufacturer industrial component. Key specifications include height: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN, material: STEEL OVERALL, head_style: FLAT FILLISTERFLAT FILLISTER, first_end_style: CHAMFEREDCHAMFERED, style_designator: SHOULDER, first_step_length: 0.100 INCHES NOMINAL0.100 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-073-7911, 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
6880188
NSN: 5315-01-073-7911
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
height0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
materialSTEEL OVERALL
head_styleFLAT FILLISTERFLAT FILLISTER
first_end_styleCHAMFEREDCHAMFERED
style_designatorSHOULDER
first_step_length0.100 INCHES NOMINAL0.100 INCHES NOMINAL IN
pin_head_diameter0.542 INCHES MINIMUM AND 0.542 INCHES MINIMUM AND 0.552 INCHES MAXIMUM0.552 INCHES MAXIMUM IN
under_head_length0.585 INCHES NOMINAL0.585 INCHES NOMINAL IN
second_step_length0.485 INCHES NOMINAL0.485 INCHES NOMINAL IN
first_step_diameter0.360 INCHES NOMINAL0.360 INCHES NOMINAL IN
second_step_diameter0.310 INCHES NOMINAL0.310 INCHES NOMINAL IN
first_end_taper_angle15.0 DEGREES NOMINAL15.0 DEGREES NOMINAL
NSN5315-01-073-7911
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6880188 · 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
•
FIRST END TAPER LENGTH: 0.060 INCHES NOMINAL0.060 INCHES NOMINAL IN
•
FIRST STEP DIAMETER: 0.360 INCHES NOMINAL0.360 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 0.585 INCHES NOMINAL0.585 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFEREDCHAMFERED
•
SECOND STEP LENGTH: 0.485 INCHES NOMINAL0.485 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
•
PIN HEAD DIAMETER: 0.542 INCHES MINIMUM AND 0.542 INCHES MINIMUM AND 0.552 INCHES MAXIMUM0.552 INCHES MAXIMUM IN
•
FIRST END TAPER ANGLE: 15.0 DEGREES NOMINAL15.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.060 INCHES NOMINAL0.060 INCHES NOMINAL IN
FIRST STEP DIAMETER0.360 INCHES NOMINAL0.360 INCHES NOMINAL IN
UNDER HEAD LENGTH0.585 INCHES NOMINAL0.585 INCHES NOMINAL IN
FIRST END STYLECHAMFEREDCHAMFERED
SECOND STEP LENGTH0.485 INCHES NOMINAL0.485 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
PIN HEAD DIAMETER0.542 INCHES MINIMUM AND 0.542 INCHES MINIMUM AND 0.552 INCHES MAXIMUM0.552 INCHES MAXIMUM IN
FIRST END TAPER ANGLE15.0 DEGREES NOMINAL15.0 DEGREES NOMINAL
HEAD STYLEFLAT FILLISTERFLAT FILLISTER
SECOND STEP DIAMETER0.310 INCHES NOMINAL0.310 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 2
12267604Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2AX364Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 6880188?
6880188 is a PIN,SHOULDER,HEADED.
What parts can replace 6880188?
There are 2 known substitutes for 6880188: 12267604, 2AX364. Substitute compatibility should be verified for your specific system.
What is the NSN for 6880188?
6880188 is cataloged in the U.S. Government catalog under NSN 5315-01-073-7911. 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.