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123AB10071-3 — PIN,SHOULDER,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

123AB10071-3: PIN,SHOULDER,HEADED.

The PIN,SHOULDER,HEADED is a the manufacturer industrial component. Key specifications include height: 0.050 INCHES NOMINAL IN, material: STEEL COMP E4340 OR STEEL COMP 4340 OVERALL, head_style: FLAT, surface_finish: 125.0 MICROINCHES OVERALL, first_end_style: CHAMFERED, hardness_rating: 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-075-3688, 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
123AB10071-3
NSN: 5315-00-075-3688
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
height0.050 INCHES NOMINAL IN
materialSTEEL COMP E4340 OR STEEL COMP 4340 OVERALL
head_styleFLAT
surface_finish125.0 MICROINCHES OVERALL
first_end_styleCHAMFERED
hardness_rating39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
special_featuresONE DRILLED HOLE LOCATED ON THIRD STEP 0.095 IN. DIA 0.093 IN. FROM END IN
style_designatorSHOULDER
first_step_length0.356 INCHES NOMINAL IN
pin_head_diameter0.670 INCHES NOMINAL IN
surface_treatmentCHROMIUM OVERALL
third_step_length0.187 INCHES NOMINAL IN
NSN5315-00-075-3688
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 123AB10071-3 · 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
•
SURFACE FINISH: 125.0 MICROINCHES OVERALL
•
FIRST END TAPER LENGTH: 0.031 INCHES NOMINAL IN
•
FIRST STEP DIAMETER: 0.600 INCHES MINIMUM AND 0.601 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: GSS 8.250M CL 2 FSCM 26512 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THIRD STEP DIAMETER: 0.187 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 1.761 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES OVERALL
FIRST END TAPER LENGTH0.031 INCHES NOMINAL IN
FIRST STEP DIAMETER0.600 INCHES MINIMUM AND 0.601 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONGSS 8.250M CL 2 FSCM 26512 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THIRD STEP DIAMETER0.187 INCHES NOMINAL IN
UNDER HEAD LENGTH1.761 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
SECOND STEP LENGTH0.609 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
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
123ABM10071-3Reference 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 123AB10071-3?
123AB10071-3 is a PIN,SHOULDER,HEADED.
What parts can replace 123AB10071-3?
There is 1 known substitute for 123AB10071-3: 123ABM10071-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 123AB10071-3?
123AB10071-3 is cataloged in the U.S. Government catalog under NSN 5315-00-075-3688. 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.