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221394 — LIGHT,OPHTHALMIC,PORTABLE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

221394: LIGHT,OPHTHALMIC,PORTABLE.

The LIGHT,OPHTHALMIC,PORTABLE is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: LIGHT KIT EYE. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-031-6388, 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
221394
NSN: 5306-00-031-6388
NIINs: 000316388, 006283130, 016106308
FSC: 5306 — Bolts
CAGE: 80539 — SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyLIGHT KIT EYE
NSN5306-00-031-6388
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 221394 · 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: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.579 INCHES MINIMUM AND 0.599 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FEATURES PROVIDED: UNFINISHED HEAD
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
FASTENER LENGTH0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO FLAT0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
THREAD LENGTH0.579 INCHES MINIMUM AND 0.599 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLEDEE
THREAD DIRECTIONRIGHT-HAND
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 221394?
221394 is a LIGHT,OPHTHALMIC,PORTABLE.
What is the NSN for 221394?
221394 is cataloged in the U.S. Government catalog under NSN 5306-00-031-6388. 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.