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A51B27179-23 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A51B27179-23: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.560 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN, slot_depth: 0.114 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN, slot_width: 0.063 INCHES NOMINAL IN, insert_size: 0.625-18 UNF 2A RH A, flange_thickness: 0.125 INCHES NOMINAL IN, style_designator: FLANGE. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-009-1604, 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
A51B27179-23
NSN: 5325-01-009-1604
FSC: 5325 — Fastening Devices
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
length0.560 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN
slot_depth0.114 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
slot_width0.063 INCHES NOMINAL IN
insert_size0.625-18 UNF 2A RH A
flange_thickness0.125 INCHES NOMINAL IN
style_designatorFLANGE
width_across_flats1.120 INCHES NOMINAL IN
nominal_thread_size0.190 INCHES IN
end_item_identificationW/S:AIRCRAFT, TOMCAT F-14
thread_quantity_per_inch32
thread_series_designatorUNF
NSN5325-01-009-1604
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A51B27179-23 · 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
•
WIDTH ACROSS FLATS: 1.120 INCHES NOMINAL IN
•
LENGTH: 0.560 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN
•
FLANGE THICKNESS: 0.125 INCHES NOMINAL IN
•
INSERT SIZE: 0.625-18 UNF 2A RH A
•
STYLE DESIGNATOR: FLANGE
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
SLOT DEPTH: 0.114 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.120 INCHES NOMINAL IN
LENGTH0.560 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN
FLANGE THICKNESS0.125 INCHES NOMINAL IN
INSERT SIZE0.625-18 UNF 2A RH A
STYLE DESIGNATORFLANGE
NOMINAL THREAD SIZE0.190 INCHES IN
SLOT DEPTH0.114 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONW/S:AIRCRAFT, TOMCAT F-14
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A51B27179-23?
A51B27179-23 is a INSERT,SCREW THREAD.
What is the NSN for A51B27179-23?
A51B27179-23 is cataloged in the U.S. Government catalog under NSN 5325-01-009-1604. 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.