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159920 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

159920: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN, thread_length: 0.386 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, fastener_length: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-059-7916, 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
159920
NSN: 5305-00-059-7916
NIINs: 000597916, 011651254
FSC: 5305 — Screws
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
head_stylePAN
head_height0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
thread_length0.386 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
fastener_length0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentZINC AND CHROMATE
minimum_tensile_strength60000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch24
NSN5305-00-059-7916
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 159920 · 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: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE OR ZINC AND CHROMATE
•
FASTENER LENGTH: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429,GRADE 1 ASSN STD ALL MATERIAL RESPONSES OR 66,UNS G10100 THRU G10200 FED STD ALL MATERIAL RESPONSES
•
THREAD LENGTH: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: PAN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE
FASTENER LENGTH0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429,GRADE 1 ASSN STD ALL MATERIAL RESPONSES OR 66,UNS G10100 THRU G10200 FED STD ALL MATERIAL RESPONSES
THREAD LENGTH0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
HARDNESS RATING70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA81348-FF-S-92 GOVERNMENT SPECIFICATION AND 80204-ANSI B18.6.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 24617-159920 MANUFACTURERS STANDARD AND 96906-MS35208/CANCELED/ GOVERNMENT STANDARD
SUBSTITUTES & CROSS-REFERENCES 4
FF-S-92Reference document
Same NSN cross-reference
Reference document — Identification reference
B18.6.3 TABLE 3210-24X1/2 PANHDReference document
Same NSN cross-reference
Reference document — Design control — primary reference
MS35208-55Reference document
Same NSN cross-reference
Reference document — Secondary reference
5903AXReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 159920?
159920 is a SCREW,MACHINE.
What parts can replace 159920?
There are 4 known substitutes for 159920: FF-S-92, B18.6.3 TABLE 3210-24X1/2 PANHD, MS35208-55 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 159920?
159920 is cataloged in the U.S. Government catalog under NSN 5305-00-059-7916. 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.