PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 400 103
400 103 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

IGNITER,SPARK,GAS TURBINE ENGINE. Key specifications include material: COPPER ALLOY, overall_length: 8.500 INCHES NOMINAL IN, features_provided: INTEGRAL DISK, largest_outside_diameter: 4.000 INCHES NOMINAL IN, valve_type_for_which_designed: BUTTERFLY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-144-3705, 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
400 103
NSN: 5306-00-144-3705
FSC: 5306
CAGE: 77294 — PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC DIV PIPER INDUSTRIAL MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length8.500 INCHES NOMINAL IN
features_providedINTEGRAL DISK
largest_outside_diameter4.000 INCHES NOMINAL IN
valve_type_for_which_designedBUTTERFLY
NSN5306-00-144-3705
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 400 103 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD LENGTH: 0.469 INCHES MINIMUM IN
•
THREAD CLASS: 3A A
•
HEAD HEIGHT: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.076 INCHES NOMINAL FIRST HOLE IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
FEATURES PROVIDED: FINISHED HEAD
•
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER: 0.624 INCHES NOMINAL FIRST HOLE IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.469 INCHES MINIMUM IN
THREAD CLASS3A A
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES NOMINAL FIRST HOLE IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
FEATURES PROVIDEDFINISHED HEAD
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.624 INCHES NOMINAL FIRST HOLE IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
AN4-6Upgraded Successor
successor cross-reference
successor
CV149712Interchangeable
interchangeable cross-reference
interchangeable
1720022Interchangeable
interchangeable cross-reference
interchangeable
6480-57PIECE596Interchangeable
interchangeable cross-reference
interchangeable
AB13A205Interchangeable
interchangeable cross-reference
interchangeable
400103Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 400 103?
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 400 103?
400 103 is a IGNITER,SPARK,GAS TURBINE ENGINE.
What parts can replace 400 103?
There are 8 known substitutes for 400 103: AN4-6, CV149712, 1720022 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 400 103?
400 103 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-144-3705. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 400 103

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026