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871881 — INSERT,SCREW THREAD

✓ Government record, cited
Zapf · BOLT SCREW
PRODUCT OVERVIEW

871881: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a Zapf industrial component. Key specifications include length: 0.235 INCHES NOMINAL IN, insert_size: 3/8 /0.375 IN./-36 UNS CLASS 2A THD A, flange_thickness: 0.040 INCHES NOMINAL IN, style_designator: FLANGE, surface_treatment: ANODIZE OVERALL, width_across_flats: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-650-4008, 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
871881
NSN: 5325-00-650-4008
FSC: 5325 — Fastening Devices
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
length0.235 INCHES NOMINAL IN
insert_size3/8 /0.375 IN./-36 UNS CLASS 2A THD A
flange_thickness0.040 INCHES NOMINAL IN
style_designatorFLANGE
surface_treatmentANODIZE OVERALL
width_across_flats0.625 INCHES NOMINAL IN
NSN5325-00-650-4008
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 871881 · Zapf ⚠ 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: 0.625 INCHES NOMINAL IN
•
LENGTH: 0.235 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.040 INCHES NOMINAL IN
•
INSERT SIZE: 3/8 /0.375 IN./-36 UNS CLASS 2A THD A
•
STYLE DESIGNATOR: FLANGE
•
SURFACE TREATMENT: ANODIZE OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.625 INCHES NOMINAL IN
LENGTH0.235 INCHES NOMINAL IN
FLANGE THICKNESS0.040 INCHES NOMINAL IN
INSERT SIZE3/8 /0.375 IN./-36 UNS CLASS 2A THD A
STYLE DESIGNATORFLANGE
SURFACE TREATMENTANODIZE OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 871881?
871881 is a INSERT,SCREW THREAD manufactured by Zapf.
What is the NSN for 871881?
871881 is cataloged in the U.S. Government catalog under NSN 5325-00-650-4008. 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.