NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5305 › 5305-00-071-2078
Cap Hexagon Head Screw P/N B1821BH050C375N
In stock — 11 on our U.S. shelfNSN 5305-00-071-2078 5305000712078 NIIN 000712078
SECO Parts has 11 in stock of NSN 5305-00-071-2078 — Cap Hexagon Head Screw — on our own shelf in Augusta, GA: a stocking supplier, not a broker.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- SCREW,CAP,HEXAGON HEAD
- SECO description
- BOLT
- Federal supply class
- FSC 5305 — Screws
- Used on
- A4 Bradley Fighting Vehicle; A3 Bradley Fighting Vehicle
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New | NE | 8 |
| New Surplus | NS | 3 |
| Total | 11 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5305-00-071-2078 000712078 B1821BH050C375N MS90728-122 D30114 FIND NO 63 186659
In the parts manual
| Manual | Figure | Item | Fits |
|---|---|---|---|
| TM 9-2320-280-24P | Fig. 181 — Air Lift Brackets, Front Upper Control Arm Brackets, Front Spring Seats, and Mounting Hardware | 7 | HMMWV: All models |
| TM 9-2320-280-24P | Fig. 184 — Upper Control Arm Brackets, Spring Seats, Related Parts, and Mounting Hardware | 4 | HMMWV: M966A1, M998A1, M1035A1, M1038A1, M1043A1, M1044A1 and 2 more |
| TM 9-2320-280-24P | Fig. 188 — Rear Bumper and Lifting Shackle | 1 | HMMWV: All A2 models, plus M996, M996A1, M997, M997A1, M1037, M1042 and 3 more |
From the Army repair parts manual's parts list and its usable-on codes. The figure page shows the exploded drawing and every other part in the assembly.
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Nominal thread diameter
- Inches 0.500
- Thread series designator
- Unified National Coarse (UNC)
- Surface finish
- Threads Microinches 63.0
- Head height
- 0.302–0.323 in
- Width between flats
- 0.736–0.750 in
- Thread quantity per inch
- 13
- Surface treatment document and classification
- Overall Fed Spec Single Treatment Response QQ--416,TY2CL3
- Thread direction
- Right-Hand
- Thread length
- 1.250–1.442 in
- Fastener length
- 3.656–3.750 in
- Surface treatment
- Overall Cadmium and Chromate
- Thread class
- 2A
- Minimum tensile strength
- Pounds Per Square Inch 150000
- Material
- Overall Steel
- Material document and classification
- Overall Assn STD Single Material Response SAEJ429 Grade 8 or Assn STD Single Material Response AST-A354 Grade BD
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
B1821BH050C375N MS90728-122
Also referenced as
D30114 FIND NO 63 186659
Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 11 on the shelf |
| Unit of issue | PG package |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N No hazardous material |
Source: public FLIS/PUB LOG cataloging data.
Why buy from SECO
These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 5305-00-071-2078?
NSN 5305-00-071-2078 (5305000712078) — Cap Hexagon Head Screw: SECO Parts has 11 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for cap hexagon head screw in federal supply class 5305 (Screws).
Is NSN 5305-00-071-2078 available?
SECO Parts has 11 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5305-00-071-2078 cost?
SECO quotes NSN 5305-00-071-2078 on request, usually the same business day.
What does NSN 5305-00-071-2078 fit?
The federal catalog lists NSN 5305-00-071-2078 as used on: A4 Bradley Fighting Vehicle; A3 Bradley Fighting Vehicle.
What part numbers cross-reference to NSN 5305-00-071-2078?
Part numbers that cross-reference this NSN include B1821BH050C375N, MS90728-122. It is also referenced by older, superseded or advisory numbers: D30114 FIND NO 63, 186659. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names SCREW,CAP,HEXAGON HEAD. Same name is not the same part: check the part numbers.