NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5305 › 5305-01-331-6284
Cap Hexagon Head Screw P/N MS51108-139
In stock — 2 on our U.S. shelfNSN 5305-01-331-6284 5305013316284 NIIN 013316284
SECO Parts has 2 in stock of NSN 5305-01-331-6284 — Cap Hexagon Head Screw — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Low-cost part: quoted by the line, $50 minimum per line; quantity pricing on request.
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
- SCREW
- Federal supply class
- FSC 5305 — Screws
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 2 |
| Total | 2 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5305-01-331-6284 013316284 MS51108-139
In the parts manual
| Manual | Figure | Item | Fits |
|---|---|---|---|
| TM 9-2320-280-24P | Fig. 437 — Brushguard Kit (Basic and A1 Series) | 3 | HMMWV: All A0 and A1 models, plus M1121 |
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
- Thread class
- 2A
- Thread direction
- Right-Hand
- Thread length
- 1.795–2.000 in
- Fastener length
- 1.906–2.000 in
- Head height
- 0.378–0.403 in
- Width between flats
- 0.922–0.938 in
- Shank unthreaded hole diameter
- First Hole Inches Minimum 0.138 and Inches Maximum 0.146
- Nominal thread diameter
- Inches 0.625
- Thread quantity per inch
- 18
- Minimum tensile strength
- Pounds Per Square Inch 120000
- Hardness rating
- Overall Rockwell C Minimum 32.0 and Rockwell C Maximum 38.0
- Distance from head largest bearing surface to shank hole center
- First Hole Inches Nominal 1.912
- Material
- Overall Steel
- Material document and classification
- Overall Assn STD Single Material Response SAE GR8
- Surface treatment
- Overall Phosphate Zinc
- Surface treatment document and classification
- Overall MIL Spec Single Treatment Response DOD--16232 Tyz
- Thread series designator
- UNF
- Nondefinitive spec/std data
- Type 2 and Style 10 and Grade 8
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
MS51108-139
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 2 on the shelf |
| Unit of issue | EA each |
| 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 5305-01-331-6284?
NSN 5305-01-331-6284 (5305013316284) — Cap Hexagon Head Screw: SECO Parts has 2 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 5305-01-331-6284 available?
SECO Parts has 2 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5305-01-331-6284 cost?
NSN 5305-01-331-6284 is a low-cost part, so SECO quotes it by the line rather than by the piece: there is a $50 minimum per line, and quantity pricing on request — usually answered the same business day.
What part numbers cross-reference to NSN 5305-01-331-6284?
Part numbers that cross-reference this NSN include MS51108-139. 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.