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Technical Data Sheet
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78943 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
Hama · NUT WASHER
PRODUCT OVERVIEW

78943: PIN,STRAIGHT,HEADLESS.

- With full active system (also Bose full active system). - For car radios with ISO loudspeaker output to active system with mini ISO block (6-pin plug (yellow) or 20-pin plug (black)). - Not suitable for half active systems.

- 1 piece in blister. This part is cataloged in the U.S. Government catalog under NSN 5315-00-966-7601, 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
78943
NSN: 5315-00-966-7601
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 440C OVERALL
surface_finish125.0 MICROINCHES SHANK END
first_end_styleSQUARE
hardness_rating53.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
pin_overall_length1.140 INCHES MINIMUM AND 1.160 INCHES MAXIMUM IN
first_hole_diameter0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
pin_overall_diameter0.1243 INCHES MINIMUM AND 0.1246 INCHES MAXIMUM IN
second_hole_diameter0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
hole_arrangement_styleBOTH END DRILLED
material_document_and_classificationAMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
center_to_center_distance_between_holes1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
NSN5315-00-966-7601
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 78943 · Hama ⚠ 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 SHANK END
•
HOLE ARRANGEMENT STYLE: BOTH END DRILLED
•
FIRST END STYLE: SQUARE
•
FIRST HOLE DIAMETER: 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
HARDNESS RATING: 53.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL DIAMETER: 0.1243 INCHES MINIMUM AND 0.1246 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 1.140 INCHES MINIMUM AND 1.160 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES SHANK END
HOLE ARRANGEMENT STYLEBOTH END DRILLED
FIRST END STYLESQUARE
FIRST HOLE DIAMETER0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
HARDNESS RATING53.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.1243 INCHES MINIMUM AND 0.1246 INCHES MAXIMUM IN
PIN OVERALL LENGTH1.140 INCHES MINIMUM AND 1.160 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SECOND HOLE DIAMETER0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 78943?
78943 is a PIN,STRAIGHT,HEADLESS manufactured by Hama.
What is the NSN for 78943?
78943 is cataloged in the U.S. Government catalog under NSN 5315-00-966-7601. This indicates validated use in U.S. government and defense supply chains.
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