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AMS7879 — WELDING POWDER,METALLIC OVERLAY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AMS7879: WELDING POWDER,METALLIC OVERLAY.

WELDING POWDER,METALLIC OVERLAY. Key specifications include material: TUNGSTEN CARBIDE AND COBALT BASIC, environmental_protection: OXIDATION RESISTANT, content_within_each_unit_package: 10 LB LBS. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-505-2788, 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
AMS7879
NSN: 5305-00-505-2788
NIINs: 005052788, 011302022
FSC: 5305 — Screws
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialTUNGSTEN CARBIDE AND COBALT BASIC
environmental_protectionOXIDATION RESISTANT
content_within_each_unit_package10 LB LBS
NSN5305-00-505-2788
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AMS7879 · 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: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: NAS621,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE V
•
THREAD LENGTH: 0.345 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: PAN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: TITANIUM ALLOY UNS R54520
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
FASTENER LENGTH0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONNAS621,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE V
THREAD LENGTH0.345 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALTITANIUM ALLOY UNS R54520
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
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 AMS7879?
AMS7879 is a WELDING POWDER,METALLIC OVERLAY.
What is the NSN for AMS7879?
AMS7879 is cataloged in the U.S. Government catalog under NSN 5305-00-505-2788. 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.