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995-7552-001 — BOLT,INTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

995-7552-001: BOLT,INTERNALLY RELIEVED BODY.

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: HEXAGON, head_height: 0.090 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.210 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC) HEAD. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-381-9821, 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
995-7552-001
NSN: 5306-01-381-9821
FSC: 5306 — Bolts
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleHEXAGON
head_height0.090 INCHES NOMINAL IN
thread_class2A A
thread_length0.210 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC) HEAD
fastener_length1.037 INCHES NOMINAL IN
shoulder_length0.307 INCHES NOMINAL IN
style_designatorCONCENTRIC HOLE THREADED
thread_directionRIGHT-HAND
threads_per_inch56 HEAD
shoulder_diameter0.180 INCHES NOMINAL IN
NSN5306-01-381-9821
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 995-7552-001 · 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
•
HEAD HEIGHT: 0.090 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.037 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
INTERNAL THREAD LENGTH: 0.160 INCHES MINIMUM HEAD IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC) HEAD
•
INTERNAL THREAD DIRECTION: RIGHT-HAND HEAD
•
THREAD LENGTH: 0.210 INCHES NOMINAL IN
•
THREADS PER INCH: 56 HEAD
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.090 INCHES NOMINAL IN
FASTENER LENGTH1.037 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
INTERNAL THREAD LENGTH0.160 INCHES MINIMUM HEAD IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC) HEAD
INTERNAL THREAD DIRECTIONRIGHT-HAND HEAD
THREAD LENGTH0.210 INCHES NOMINAL IN
THREADS PER INCH56 HEAD
STYLE DESIGNATORCONCENTRIC HOLE THREADED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582, COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 995-7552-001?
995-7552-001 is a BOLT,INTERNALLY RELIEVED BODY.
What is the NSN for 995-7552-001?
995-7552-001 is cataloged in the U.S. Government catalog under NSN 5306-01-381-9821. 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.