PartsTable TECHNICAL DATA SHEET
NSN 5305-01-688-1835Government record, cited

Screw, Cap, Socket Head5305-01-688-1835

NSN 5305-01-688-1835 · NIIN 016881835 · Part number FTD7028HHS-10-2-1AP
Fastener Technology Corp · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 58794
Government record, cited
NSN 5305-01-688-1835 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-688-1835. Manufacturer of record part number: FTD7028HHS-10-2-1AP.
Also searched as  5305-01-688-1835 · 5305016881835 · NIIN 016881835 · 01-688-1835 · FSC 5305 Screws · CAGE 58794 · FTD7028HHS-10-2-1AP · FTD7028
Nearby stock numbers  ·
Features
  • Screw,cap,socket Head — FSC 5305
  • Width Across Flats: 0.125 INCHES NOMINAL IN
  • Head Height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
  • Fastener Length: 0.561 INCHES MINIMUM AND 0.591 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: QQ-P-35, TYPE II OR VIII FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Thread Length: 0.436 INCHES MINIMUM AND 0.466 INCHES MAXIMUM IN
  • Material Document and Classification: AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thread Diameter: 0.1900 INCHES IN
Identification
  • NSN: 5305-01-688-1835
  • NIIN: 016881835
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: FTD7028HHS-10-2-1AP
  • Manufacturer: Fastener Technology Corp
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-688-1835, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastener Technology Corp. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-688-1835
Primary Part NumberFTD7028HHS-10-2-1AP
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — Screws
ManufacturerFastener Technology Corp
StatusACTIVE
Width Across Flats0.125 INCHES NOMINAL IN
Head Height0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
Fastener Length0.561 INCHES MINIMUM AND 0.591 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-35, TYPE II OR VIII FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Length0.436 INCHES MINIMUM AND 0.466 INCHES MAXIMUM IN
Material Document and ClassificationAMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter0.1900 INCHES IN
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Width Between Flats0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
Internal Drive StyleHEXAGON
Thread Class3A A
Thread Quantity Per Inch32
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-688-1836FTD7028HHS-12-12-13A POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Fastener Technology Corp
5305-01-688-1838FTD7028HHS-10-7-4AP POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Fastener Technology Corp
5305-01-688-1839FTD7028HHS-8-1-1AP POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Fastener Technology Corp
5305-01-688-2280FTD7028HHS-10-5-2AP POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Fastener Technology Corp
5305-01-688-2283FTD7028HHS-10-5-4AP POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Fastener Technology Corp
5305-01-688-2284FTD7028HHS-10-7-5AP POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Fastener Technology Corp
5305-01-688-3538FTD7028HHS-10-6-6AP POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Fastener Technology Corp
Cross-Reference Index
Part NumberManufacturer
FTD7028HHS-10-2-1AP PRIMARY Fastener Technology Corp (USA)
Reference documents
ReferenceMeaning
FTD7028 D/9 Drawing number reference only
Fastener Technology Corp
Related Parts
5305-01-688-1836POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
FTD7028HHS-12-12-13A
5305-01-688-1838POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
FTD7028HHS-10-7-4AP
5305-01-688-1839POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
FTD7028HHS-8-1-1AP
5305-01-688-2280POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
FTD7028HHS-10-5-2AP
5305-01-688-2283POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
FTD7028HHS-10-5-4AP
5305-01-688-2284POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
FTD7028HHS-10-7-5AP
5305-01-688-3538POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
FTD7028HHS-10-6-6AP

Frequently Asked Questions

What is NSN 5305-01-688-1835?

NSN 5305-01-688-1835 is a Screw,cap,socket Head, manufactured by Fastener Technology Corp, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-688-1835?

NSN 5305-01-688-1835 has 1 manufacturer part number on file: FTD7028HHS-10-2-1AP (Fastener Technology Corp).

What NSN replaces 5305-01-688-1835?

7 possible matches (shared part number, not a government interchangeability claim): 5305-01-688-1836, 5305-01-688-1838, 5305-01-688-1839. Verify interchangeability with system specifications before substitution.

What are the specifications of FTD7028HHS-10-2-1AP?

Key specifications for FTD7028HHS-10-2-1AP: Width Across Flats: 0.125 INCHES NOMINAL IN; Head Height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Fastener Length: 0.561 INCHES MINIMUM AND 0.591 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35, TYPE II OR VIII FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 16 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-688-1835 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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