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Technical Data Sheet
PartsTable / COMPONENT / 9978047
9978047 ✓ 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

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, material: STEEL COMP 1117 OVERALL, insert_size: 0.250-20 UNC 3A A, style_designator: KEYLOCK, surface_treatment: CADMIUM OVERALL, width_across_flats: 0.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-899-1373, 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
9978047
NSN: 5325-00-899-1373
FSC: 5325
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
length0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
materialSTEEL COMP 1117 OVERALL
insert_size0.250-20 UNC 3A A
style_designatorKEYLOCK
surface_treatmentCADMIUM OVERALL
width_across_flats0.250 INCHES NOMINAL IN
nominal_thread_size0.164 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationQQ-S-633,COND ANNEALED-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
top_portion_unthreaded_outside_length0.037 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
top_unthreaded_portion_outside_diameter0.169 INCHES NOMINAL IN
NSN5325-00-899-1373
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9978047 · 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
•
TOP UNTHREADED PORTION OUTSIDE DIAMETER: 0.169 INCHES NOMINAL IN
•
INSERT SIZE: 0.250-20 UNC 3A A
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,COND ANNEALED-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: KEYLOCK
•
SURFACE TREATMENT: CADMIUM OVERALL
•
LENGTH: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
TOP UNTHREADED PORTION OUTSIDE DIAMETER0.169 INCHES NOMINAL IN
INSERT SIZE0.250-20 UNC 3A A
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,COND ANNEALED-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORKEYLOCK
SURFACE TREATMENTCADMIUM OVERALL
LENGTH0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
TOP PORTION UNTHREADED OUTSIDE LENGTH0.037 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
B94.9Interchangeable
interchangeable cross-reference
interchangeable
14222Interchangeable
interchangeable cross-reference
interchangeable
GGG-T-70 TY1SEASTBInterchangeable
interchangeable cross-reference
interchangeable
124-1-4Interchangeable
interchangeable cross-reference
interchangeable
391191-03Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9978047?
9978047 is a INSERT,SCREW THREAD.
What parts can replace 9978047?
There are 5 known substitutes for 9978047: B94.9, 14222, GGG-T-70 TY1SEASTB and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9978047?
9978047 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-899-1373. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026