PartsTable
Technical Data Sheet
Download PDF

BACP20AX12P — PIN,TAPERED,PLAIN

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

BACP20AX12P: PIN,TAPERED,PLAIN.

The PIN,TAPERED,PLAIN is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL COMP 416 OVERALL, first_end_style: SQUARE, hardness_rating: 20.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL, special_features: MAY HAVE 0.033 IN. MAX DIA VENT HOLE,PIN PREWAXED WITH ENTHONE NO.

18 IN, surface_treatment: PASSIVATE OVERALL, first_end_location: BOTH ENDS. This part is cataloged in the U.S. Government catalog under NSN 5315-01-081-5394, 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
BACP20AX12P
NSN: 5315-01-081-5394
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 77272 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
first_end_styleSQUARE
hardness_rating20.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
special_featuresMAY HAVE 0.033 IN. MAX DIA VENT HOLE,PIN PREWAXED WITH ENTHONE NO. 18 IN
surface_treatmentPASSIVATE OVERALL
first_end_locationBOTH ENDS
large_end_diameter0.1174 INCHES MINIMUM AND 0.1182 INCHES MAXIMUM IN
pin_overall_length0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
material_document_and_classificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-01-081-5394
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BACP20AX12P · 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 LOCATION: BOTH ENDS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
LARGE END DIAMETER: 0.1174 INCHES MINIMUM AND 0.1182 INCHES MAXIMUM IN
•
FIRST END STYLE: SQUARE
•
HARDNESS RATING: 20.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL LENGTH: 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS
FIRST END LOCATIONBOTH ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
LARGE END DIAMETER0.1174 INCHES MINIMUM AND 0.1182 INCHES MAXIMUM IN
FIRST END STYLESQUARE
HARDNESS RATING20.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL LENGTH0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SPECIAL FEATURESMAY HAVE 0.033 IN. MAX DIA VENT HOLE,PIN PREWAXED WITH ENTHONE NO. 18 IN
SURFACE TREATMENTPASSIVATE OVERALL
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
156102PReference 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
Ready to buy BACP20AX12P?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is BACP20AX12P?
BACP20AX12P is a PIN,TAPERED,PLAIN.
What parts can replace BACP20AX12P?
There is 1 known substitute for BACP20AX12P: 156102P. Substitute compatibility should be verified for your specific system.
What is the NSN for BACP20AX12P?
BACP20AX12P is cataloged in the U.S. Government catalog under NSN 5315-01-081-5394. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — BACP20AX12P

✓ 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.