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A217B28 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A217B28: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include end_item_identification: HAWKER 800XP/850XP, ELECTRICAL INSTL-STALL IDENT SYSTEM, AUTO PILOT DISCONNECT, part_name_assigned_by_controlling_agency: SCREW. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-452-3992, 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
A217B28
NSN: 5305-00-452-3992
NIINs: 004523992, 016574655
FSC: 5305 — Screws
CAGE: K7766 — BSI STANDARDS LIMITED (GBR)
SPECIFICATIONS
end_item_identificationHAWKER 800XP/850XP, ELECTRICAL INSTL-STALL IDENT SYSTEM, AUTO PILOT DISCONNECT
part_name_assigned_by_controlling_agencySCREW
NSN5305-00-452-3992
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A217B28 · 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: 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.782 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
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NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: PAN NO. 2
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
THREAD LENGTH0.782 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
INTERNAL DRIVE STYLESLOT
THREAD CLASS2A A
SUBSTITUTES & CROSS-REFERENCES 1
991-4-00143-027Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 A217B28?
A217B28 is a SCREW,MACHINE.
What parts can replace A217B28?
There is 1 known substitute for A217B28: 991-4-00143-027. Substitute compatibility should be verified for your specific system.
What is the NSN for A217B28?
A217B28 is cataloged in the U.S. Government catalog under NSN 5305-00-452-3992. 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.