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8161-8 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8161-8: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include end_item_identification: ES-18 AIRCRAFT, part_name_assigned_by_controlling_agency: ENCAPSULATED FORMATION LIGHT. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-074-3256, 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
8161-8
NSN: 5305-00-074-3256
NIINs: 000743256, 014976883
FSC: 5305 — Screws
CAGE: 3GET4 — ANDREA SYSTEMS LLC (USA)
SPECIFICATIONS
end_item_identificationES-18 AIRCRAFT
part_name_assigned_by_controlling_agencyENCAPSULATED FORMATION LIGHT
NSN5305-00-074-3256
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8161-8 · 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
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
THREAD LENGTH: 0.375 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL CORROSION RESISTING
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH0.375 INCHES NOMINAL IN
THREAD LENGTH0.375 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL CORROSION RESISTING
INTERNAL DRIVE STYLESLOT
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
THREAD CLASS3A A
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 8161-8?
8161-8 is a SCREW,MACHINE.
What is the NSN for 8161-8?
8161-8 is cataloged in the U.S. Government catalog under NSN 5305-00-074-3256. 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.