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5191056 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5191056: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.221 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN, insert_size: 0.267 IN. MIN AND 0.277 IN.

MAX DIA IN, features_provided: INDIVIDUALLY KEYED, nominal_thread_size: 0.164 INCHES IN, thread_quantity_per_inch: 32, thread_series_designator: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S. Government catalog under NSN 5325-01-316-1632, 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
5191056
NSN: 5325-01-316-1632
FSC: 5325 — Fastening Devices
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
length0.221 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
insert_size0.267 IN. MIN AND 0.277 IN. MAX DIA IN
features_providedINDIVIDUALLY KEYED
nominal_thread_size0.164 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5325-01-316-1632
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5191056 · 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
•
LENGTH: 0.221 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
•
INSERT SIZE: 0.267 IN. MIN AND 0.277 IN. MAX DIA IN
•
FEATURES PROVIDED: INDIVIDUALLY KEYED
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
LENGTH0.221 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
INSERT SIZE0.267 IN. MIN AND 0.277 IN. MAX DIA IN
FEATURES PROVIDEDINDIVIDUALLY KEYED
NOMINAL THREAD SIZE0.164 INCHES IN
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 1
6026-2-.225Reference 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
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FREQUENTLY ASKED QUESTIONS
What is 5191056?
5191056 is a INSERT,SCREW THREAD.
What parts can replace 5191056?
There is 1 known substitute for 5191056: 6026-2-.225. Substitute compatibility should be verified for your specific system.
What is the NSN for 5191056?
5191056 is cataloged in the U.S. Government catalog under NSN 5325-01-316-1632. 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.